ATI - Super Dampers® for Serpentine Applications


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Super Damper^® Harmonic Dampers

The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines.

Eliminates torsional crankshaft vibrations
Exceeds SFI 18.1 specs
Black zinc chromate finished
Tunable, rebuildable, and extremely efficient at ALL RPM
Laser engraved timing marks

The ATI Serpentine Super Damper contains grooves for serpentine belts machined into the outer damper shell. The dampers come standard with 6 outer grooves for standard OEM drive systems. 8 & 10 grooves are available for supercharger or turbo applications. Serpentine dampers are available in a variety of diameters. Crank hubs may be fitted with a 6 groove serpentine pulley to drive external oil pumps or vehicle accessories.

The Serpentine Series dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations providing maximum flexibility. These dampers are available in steel or lightweight hard-coated aluminum and come with Laser engraved timing marks. Exceeds SFI 18.1 specs.

Sepentine Dampers

GM Y-Body

GM F-Body

Camaro Z-Body

GM B-Body LT1

Cadillac CTS-V

COPO Camaro

SSR & Trailblazer SS

Chevy Duramax Diesel

GM Ecotec

Chrysler Dampers

Ford Dampers

Installation Instructions

Damper Installation Instructions

LS1/LS7 Damper Instructions

LS1 Crank Pin Drill Fixture Kit

Damper Accessories

Accessories

Installation Kits

Crank Trigger Damper Shells

Additional Components

Timing Pointers

GM Corvette Y-Body Serpentine Dampers INCLUDES LS1, LS2, LS3, LS6, LS7, LS9, LT1, LT4, LT5 AND V6 ENGINES

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT (LBS)	SHELL MATERIAL	SHELL ASSEMBLY #	RIBS	4 RIB REAR PULLEY #	HUB # [2]	HUB MATERIAL
LS1 '97-'04 C5 LS2 '05-'07 C6 LS3 [13] '08-'13 C6 LS6 '01-'04 C5 Z06 G8/L76 ‘08-'09 NEW “SS”	917246 [6]	7.53" (OEM)	9.75 LBS	STEEL	917016CSX	6	916734	916032-M3	STEEL
	917266 [6]	7.48" (OEM)	7.34 LBS	ALUM	917074CS	6	916734	916032-M3	STEEL
	917303	7.48" (OEM)	7.34 LBS	ALUM	917073CS	6	—	916032-M3	STEEL
	917278 [1,5,6]	6.78" (10% UD)	4.5 LBS	ALUM	917071CS-44X	6	4 RIB AC - 916732	916032-M3	STEEL
	917279 [1,5,6]	6.78" (10% UD)	4.5 LBS	ALUM	917071CS-44	6	—	916032-M3	STEEL
	917247 [1,5,6]	6.78" (10% UD)	4.5 LBS	ALUM	917071CS-44	6	—	916036	ALUM
	917307	6.325"		ALUM	-	NONE	NONE - NO A/C	916032-M3	STEEL
	917304	7.48" (OEM)	7.34 LBS	ALUM	917073CS	6	HTD 8MM x 28T	916033A	STEEL
	917289	6.78" (10% UD)	4.5 LBS	ALUM	917071CS	6	HTD 8MM x 28T	916033A	STEEL
	918848 [3, 14]	5.67" (25% UD)		ALUM		6	4 RIB - 916179	916349	STEEL
	918847 [14]	5.67" (25% UD)		ALUM		6	—	916349	STEEL
LS7 LS3 W/DRY SUMP [13, 16]	918620	7.43"	9.0 LBS	ALUM	917049 [15]	8	4 RIB [11]	916058	STEEL
	918620N	7.48"	9.0 LBS	ALUM	917049N [15]	8	—	916058	STEEL
	918620U	6.73" (10% UD)	4.5 LBS	ALUM	917049U	8	4 RIB [11]	916058U	STEEL
	918620UN	6.78" (10% UD)	4.5 LBS	ALUM	917049UN	8	—	916058U	STEEL
	918622	8.25"	11.75 LBS	ALUM	917089	10	—	916058	STEEL
LS9 ZR1	918634	7.53"	6.7 LBS	ALUM	917097	11	6 RIB [11]	916107	STEEL
LS9 ZR1	918624 [12]	8.53" (14% OD)	11.5 LBS	ALUM	917093	11	6 RIB [11]	916107	STEEL
LT1 LT4 [7] [10]	917274	7.53"	9.75 LBS	STEEL	917015	6		916096A [9]	STEEL
LT1 LT4 [7] [10]	917275	6.78"	4.5 LBS	ALUM	91707144	6		916096A [9]	STEEL

[1] Requires shorter serpentine belt. Goodyear pt #4060785 for accessories & 4040405 for AC.
[2] All hubs have 3/16 key @ std SB 10° location. Please note: 8 groove & 10 groove shell assemblies are available for supercharger applications. Consult your ATI salesman. #917017 (7 1/2” diameter, 8 groove, steel) #917075 (6 3/4” diameter, 8 groove, aluminum)
[3] Requires shorter belts: Gates #K060775 - 6 rib, Goodyear #K040405 - 4 rib
[4] Use hub part # 916033A for integral 8mm 28 tooth HTD pulley.
[5] Contains 40 durometer rubber. Not for full race engines. Specify 66 rubber or call.
[6] Damper assemblies have all countersunk bolts so nothing protrudes past front of damper. If you have an older damper and are ordering a new shell assembly only, you must cut a .090” x 45° chamfer on the front of your hub. ATI can also perform this operation for $40.
[7] Dampers furnished with #916320 hub spacer. For ‘97 & up Camaro/Firebird or ‘96 & up Corvette engine with a reluctor wheel; discard spacer provided.

[9] Hubs are made of heat-treated alloy steel.
[10] Washer #953070 is required with LT1 hubs and is shipped with dampers.
[11] Non-removable A/C pulley - OEM diameter.
[12] Contact Lingenfelter for proper belt set-up.
[13] 2010 LS3 Corvette Grand Sport coupes w/Manual Transmissions come equipped with a Dry Sump system, so an LS7 style damper is required.
[14] For no A/C - Order Hub #916349D with pulley delete ring.
[15] Contains 60 durometer elastomers
[16] Non-removable AC-pulley - OEM Diameter

LT1, LT4, LT5 Super Damper 917315
with 5% Overdrive Pulley

GM 2016 LT1 & LT4 Camaro, ZL1 and CTS-V Serpentine Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT (LBS)	SHELL MATERIAL	GROOVES	HUB #	HUB MATERIAL
LT1 WET SUMP 2016 CAMARIO SS, LT4 2016 CAMARO ZL1, CADILLAC CTS-V [2]	918856 [5]	7.48"	7.30 LBS (LESS HUB)	ALUM	6	916032M3 [4]	STEEL 2.9 LBS
LT1 WET SUMP 2016 CAMARO, 10% UD	918857 [3, 5]	6.78"	7.30 LBS (LESS HUB)	ALUM	6	916032M3	STEEL 2.9 LBS

[3] Will fit 2016+ CTS-V and 2017+ ZL1 but is NOT recommended for their HP levels
[4] For applications making over 20 lbs. of boost, ATI offers a stronger, heat-treated & double keyed hub. Available outright or as a $25 upgrade on new orders. Pt #916164H2 for 917345 and #9160322H for 918856.
[5] INCLUDES NEW OEM LS STYLE CRANK BOLT

GM '14 LT1 & LT4, '19 ZR1 LT5 Corvette Serpentine Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT (LBS)	SHELL MATERIAL	GROOVES	HUB #	HUB MATERIAL
LT1 - WET SUMP 2014 CORVETTE STINGRAY	917314 [5]	7.48"	7.30 LBS (LESS HUB)	ALUM	6	916154	STEEL 2.9 LBS
2014 CORVETTE STINGRAY DRY SUMP LT1 & LT4 [1]	917315 [5]	7.48"	7.30 LBS (LESS HUB)	ALUM	6	916164 [4]	STEEL 2.9 LBS
2019 CORVETTE ZR1 LT5 [5]	917316 [5]	7.48"	7.30 LBS (LESS HUB)	ALUM	6	916294H [4]	STEEL 2.9 LBS

[4] For applications making over 20 lbs. of boost, ATI offers a stronger, heat-treated & double keyed hub. Available outright or as a $25 upgrade on new orders. Pt #916164H2 for 917345 and #916032H2 for 918856.
[5] INCLUDES NEW OEM LS STYLE CRANK BOLT

LT1 & LT4 Corvette Stingray Pulleys

Pulley Application
ProCharger to C7-LT1, Dry Sump
LT4 Dry Sump OEM
LT4 Dry Sump 5% OD
LT4 Dry Sump 10% OD
LT4 Dry Sump 15% OD
LT4 Dry Sump 20% OD

Drive Dia
8.290"
8.200"
8.437"
8.800"
9.240"
9.602"

Part #
916163
916163-0
916163-5
916163-10
916163-15
SK1040-B5*

Price
$209.80
$209.80
$209.80
$248.09
$239.50
$249.00

* made to order
[1] Requires a supercharger pulley (sold separately)

LT1 & LT4 CTS-V & Camaro ZL1

OD%
2.5% UD
3.25% OD
8% OD
14% OD
21.5% OD

Drive Dia
7.865"
8.295"
8.690"
9.170"
9.770"

Part #
916153
916105
916106
916227
916159

Price
$209.80
$209.80
$209.80
$195.58
$239.50

[2] For other CTS-V pulleys click here

2019 ZR1 LT5 Pulleys

OD%
OEM
5% OD
10% OD
15% OD
20% OD

Drive Dia
8.07"
8.48"
8.88"
9.28"
9.68"

Part #
916244
916244-5
916244-10
916244-15
916244-20

Price
$239.50
$209.80
$248.09
$248.09
$239.50

[5] Requires 11 groove superchager pulley

GM F-Body Serpentine Dampers INCLUDES LS1 / LS2 - LT1 & LT4

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	SHELL ASSEMBLY #	GROOVES	4 GROOVE REAR PULLEY #	HUB # [1]	HUB MATERIAL
LS1 F-BODY '98-'02 CAMARO FIREBIRD LS1/LS2 V BODY '04-'06 GTO	917242	7.48"	9.75 lbs	STEEL	917015	6	916734	916031	STEEL
	917264	7.48"	6.75 lbs	ALUM	917073	6	916734	916031	STEEL
	917302	7.48"	6.75 lbs	ALUM	917073	6	—	916031	STEEL
	917276 [3][4]	6.78" (10% UD)	4.5 lbs	ALUM	917071-44	6	916732	916031	STEEL
	917277 [3][4]	6.78" (10% UD)	4.5 lbs	ALUM	917071-44	6	—	916031	STEEL
	917243 [3][4]	6.78" (10% UD)	4.5 lbs	ALUM	917071-44	6	—	916035	ALUM
	918845 [5, 6]	5.67" (25% UD)		ALUM		6	916179 (10% UD)	916347	STEEL
	918844 [5, 6]	5.67" (25% UD)		ALUM		6	—	916347	STEEL
	918852 [5]	7.48"	6.75 lbs	ALUM	917073	6	HTD 8MM x 25T	916037A [2]	STEEL
	918855	6.78" (10% UD)	6.75 lbs	ALUM	917071	6	HTD 8MM x 25T	916037A [2]	STEEL
LT1 LT4 [7] [10]	917270	7.53"	9.75 lbs	STEEL	917015	6	—	916047A [9,11]	STEEL
LT1 LT4 [7] [10]	917268	7.48"	6.75 lbs	ALUM	917073	6	—	916047A [9,11]	STEEL

[1] All hubs have 3/16 key @ std SB 10° location. Please note: 8 groove & 10 groove shell assemblies are available for supercharger applications. Consult your ATI salesman. #917017 (7 1/2” diameter, 8 groove, steel) #917075 (6 3/4” diameter, 8 groove, aluminum)
[2] Steel hub #916037A has 8mm, 25 tooth HTD belt drive instead of serpentine.
[3] Contains 40 durometer rubber. Not for full race engines. Specify 66 rubber or call.
[4] Belt #s: A/C 4040390, and Accessories 4060775
[5] Requires and includes 1.25” longer crank bolt (951359) with washer (953075).
[6] Requires shorter belts: Gates #K060760 - 6 rib, #4040390 - 8 rib

[7] Dampers furnished with #916320 hub spacer. For ‘97 & up Camaro/Firebird or ‘96 & up Corvette engine with a reluctor wheel; discard spacer provided.
[9] Hubs are made of heat-treated alloy steel.
[10] Washer #953070 is required with LT1 hubs and is shipped with dampers.
[11] This hub has a 3-bolt pulley pattern.
[12] 10% UD - Requires Belt - Dayco #5060625, Goodyear #4060625, Delco #SK625.

LS3, LSA 2010 - 2015 Camaro Z-Body Serpentine Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	SHELL ASSEMBLY #	GROOVES	REAR PULLEY #	HUB # [1]	HUB MATERIAL
LS3 [5] 2010 - 2015 CAMARO	918628	7.48"	7.9 lbs	ALUMINUM	917073	6 & 4	916734B	916430M	STEEL
	918644	7.48"	7.9 lbs	ALUMINUM	917073	6 FRONT	NO AC	916430M	STEEL
	918657	7.48"	7.9 lbs	ALUMINUM	917073	6 FRONT HTD REAR	NO AC 8MM HTD 31T	916430M	STEEL
	918629 [2]	6.78" (10% UD)	4.5 lbs	ALUMINUM	917071	6 & 4	916734B	916430M	STEEL
LSA [4] '12 - '15 ZL-1 CAMARO '09 - '15 CADILLAC CTS-V	918854	7.48"	7.9 lbs	ALUMINUM	917092	6 & 4	916734	916032M3	STEEL
LSA [4] '12 - '15 ZL-1 CAMARO '09 - '15 CADILLAC CTS-V	918859	7.48"	7.9 lbs	ALUMINUM	917092	6	NO AC	916032M3	STEEL
LS7/LS9 DRY SUMP w/LS3 ACCESSORY DRIVES	918639	7.48"	9 lbs	ALUMINUM	917073	6 & 4	916734B	916431	STEEL

[1] All hubs have 3/16 key @ std SB 10O location.
[2] Only OEM A/C pulley size available for LS3 Camaro. NAPA belt #s 25060827, 25040353AC.
[3] Includes timing cover seal (#973136) and seal installer (#916113).
[4] No supercharger pulley supplied. Must choose #916153 (OEM), #916105 (5% OD),#916106 (10% OD), #916227 (17% OD), #916159 (25%OD).
[5] For dampers requiring an LS7 / LS9 dry sump with 2010 - 2015 Camaro accessories drives, see chart below.

ATI Super Damper adds 156hp to this LSA build
"ATI's 10-percent pulley increased output to 725 hp and 736 lb-ft. That’s a solid 156hp increase over our baseline numbers. Not too shabby for a bunch of bolt-ons." Article: Super Chevy

GM LS7 Camaro Serpentine Dampers
LS7 - OEM SNOUT WITH ZETA-BODY CAMARO ACCESSORIES
2010 - 2015 Z Body Camaro & Gen 3 Vortec Truck accessory location on an LS7 with OEM length crank snout. Does not work with '14 - '15 Z28

Available in several diameters with your choice of 6, 8 or 10 ribs.
Assemblies fit Hub #916431

OUTER DIAMETER	GROOVES	SHELL ASSEMBLY #	BOLT PACK #	HUB #
OEM	6	917073	950213	916431
OEM	8	917025	950209	916431
5% OD	8	917107	950213	916431
10% OD	8	917108	950213	916431
OEM	10	917034X	950209	916431
4% OD	10	917091	950209	916431
6% OD	10	917094	950209	916431

Available A/C Pulleys:

OUTER DIAMETER	PART #
7.5" (OEM SIZE)	916734B [1,2]
7.0" (6% UD)	916734 [1,2]
6.25" (17% UD)	916732 [1]

[1] ATI does not recommend using these dampers without A/C pulleys. If you plan on running a non-A/C set-up, please contact ATI.

[2] Order 916734M1 for ‘98 - ‘02 F Body Camaros

LS7 - LS9 Call us for more information on these new applications

PART #	DESCRIPTION
918639	LS7 DRY SUMP W/2010 CAMARO / TRUCK ACCESSORIES LONG SNOUT
SK286R	LS7 WET SUMP W/2010 CAMARO / TRUCK ACCESSORIES LONG SNOUT
SK286S	LS7 WET SUMP LONG SNOUT
918643	LS7 DRY SUMP WITH F BODY ACCESSORIES
SK128H6	LS9 WET SUMP LONG SNOUT

GM LS & LT Based COPO Camaro Crate Engine Serpentine Dampers
2012 - 2017 OEM Supplied

ENGINE	DAMPER PART #	OUTER DIAMETER	SHELL MATERIAL	SHELL ASSEMBLY #	GROOVES	4 RIB PULLEY #	HUB #	HUB MATERIAL
'12-'15 Z BODY LS - N/A 350, 396, 427	918427 [1]	7.48"	ALUMINUM	917073	6	916732	916430M	STEEL
2016 - A BODY LS - 350, SUPERCHARGED	918327-16	7.95" ( 5.6% OD)	ALUMINUM	917138	10	916732	916430MK (DUAL KEY)	STEEL
2016+ A BODY LS3 N/A 350, 396, 427	918427-16	7.074"	ALUMINUM	918850	--	916794	916045	STEEL
2016+ A BODY LT - N/A 376	918376	7.074"	ALUMINUM	917030	--	916315	916315	STEEL

[1] Can be built with a smooth shell assembly #918850 and titanium bolts.
[2] Available with 7.53" OD shell assembly #917073-60 with 60 durometer o-rings.

GM B-Body LT1 Serpentine Dampers IMPALA & CAPRICE

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	SHELL ASSEMBLY #	GROOVES	4 GROOVE REAR A/C PULLEY #	HUB # [3]	HUB MATERIAL
LT1 [1, 2]	917327	6.78" (10% UD) [2]	4.5 LBS	ALUMINUM	917071-44	6	—	916049A [4] [5]	STEEL

[1] Due to variations in GM’s production, the spacer provided may or may not be needed.
[2] Damper is 10% UD from OEM. Use belt #4060635.
[3] All hubs have 3/16 key @ std SB 10° location. Please note: 8 groove & 10 groove shell assemblies are available for supercharger applications. Consult your ATI salesman.

#917017 (7 1/2” diameter, 8 groove, steel) #917075 (6 3/4” dia., 8 rib alum)
[4] For hubs with a 6 hole bolt pattern and 2.25 seal, use hub #916049B for B body,
[5] Hubs are made of heat-treated alloy steel.

Cadillac CTS-V LS2, LS6, LSA Serpentine Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	4 GROOVE REAR A/C PULLEY #	HUB #	HUB MATERIAL
'04 - '07 LS2 LS6	917266 [2]	7.48" (OEM)	6.75 lbs	ALUMINUM	916734	916032-M3	STEEL
'04 - '07 LS2 LS6	917278 [3]	6.78" (10% UD)	4.50 lbs	ALUMINUM	916732	916032-M3	STEEL
'09 - '15 LSA	918854 [1]	7.48" (OEM)	6.75 lbs	ALUMINUM	916734	916032-M3	STEEL
'09 - '15 LSA	918859 [1]	7.48" (OEM)	6.75 lbs	ALUMINUM	NO AC	916032-M3	STEEL
'16 LT4 - WET SUMP	918856 [5]	7.48" (OEM)	7.30 lbs	ALUMINUM	916734	916032-M3	STEEL

[1] No supercharger pulley supplied. Sold separately - see chart
[2] Damper assemblies have all countersunk bolts so nothing protrudes past front of damper. If you have an older damper and are ordering a new shell
assembly only, you must cut a .090” x 45° chamfer on the front of your hub. ATI can also perform this operation for $40 if you send your hub in.
[3] CTS-V is 10% UD - Use Duralast Part # 375K4 for AC pulley and Gates Part # K060806, 6 rib for accessory drive.
[4] For applications making over 20 lbs. of boost, ATI offers a stronger, heat-treated & double keyed hub. Available outright or as a $25 upgrade on new orders - #916032 for 918856.
[5] INCLUDES NEW OEM LS STYLE CRANK BOLT

Optional LT4 CTS-V Supercharger Pulleys

PART #	Rib Count	2009-2015 OD%	2016 OD%	Drive Diameter	PRICE
916153	8	OEM	2.5% OD	7.835"	$209.80
916105	8	5% OD	3.25% OD	8.295"	$209.80
916106	8	10% OD	8% OD	8.690"	$209.80
916227	8	17% OD	14% OD	9.170"	$239.50
916159	10	24% OD	21.5% OD	9.770"	$239.50

Vortec Truck, SSR & Trailblazer SS LS1/LS2 Serpentine Dampers
GEN 3 VORTEC TRUCK INCLUDES 4.8 / 5.3 / 6.0 L, SSR (‘03 - '06) LS1 & LS2, TRAILBLAZER SS (‘06 - '09) LS2 - 6 RIB WITH 4 RIB A/C PULLEY

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	SHELL #	GROOVES	4 RIB REAR A/C PULLEY #	HUB # [1]	HUB MATERIAL
GEN 3 & 4 VORTEC TRUCK INCLUDES: 4.6 / 5.3 / 6.0 L TRUCK SSR (‘03 - ‘06) LS1 & LS2 TRAILBLAZER SS (‘06 - ‘09) LS2	917286 [3, 4]	7.425"	9.75 lbs	STEEL	917015	6 + 4	916734B	916430M	STEEL
	918628	7.48"	7.9 lbs	ALUMINUM	917073	6 & 4	916734B	916430M	STEEL
GEN 3 & 4 VORTEC TRUCK 10% UNDERDRIVEN	918629	6.78" (10% UD) [1]	-	ALUMINUM	917071	6 & 4	916734B	916430M	STEEL
GEN 3 & 4 VORTEC TRUCK NO A/C PULLEY	918644	7.48"	7.9 lbs	ALUMINUM	917073	6 FRONT	NO AC	916430M	STEEL
GEN 3 & 4 VORTEC TRUCK W/HTD - NO A/C PULLEY	918657	7.48"	7.9 lbs	ALUMINUM	917073	6 FRONT	HTD 28MM, 31T NO AC	916430M	STEEL

[1] All hubs have 3/16 key @ std SB 10° location. Please note: 8 groove & 10 groove shell assemblies are available for supercharger applications. Consult your ATI salesman. #917107 (7 1/2” diameter, 8 groove, steel) #917108 (7 1/2” diameter, 10 groove, steel) #917075 (6 3/4” diameter, 8 groove, aluminum)
[2] All 2010-2015 Z Body Camaro dampers are compatible with this application, including OEM 6 rib as well as 8 rib and 10 rib overdrive blower dampers
[3] For OEM Drive Pulley - Pt # 916358 or 10% UD Pulley - Pt # 916359 Overdrive pulleys for supercharging available. Consult you Sales technician.
[4] INCLUDES NEW OEM LS STYLE CRANK BOLT

L86 Truck Serpentine Dampers
Front Drive Pulleys sold separately available in OEM, underdrive and overdrive

APPLICATION ENGINE / YEAR	DAMPER PART #	SHELL ASSEMBLY PART #	HUB # [1]
4.3L LV3 - '14-'18 5.3L L83 - '14-'19 5.3L L8B - '14-'19 6.0L L96 - '15-'19 6.2L L86 - '14-'18	918645 [2, 3] includes crank bolt #951499	918645S	916433
4.3L LV3 - 2018+ 5.3L L84 - 2019+ 6.2L L87 - 2019+ 6.6L L8T - 2020+	917306 [3]	918645S	916437

[1] All hubs have 3/16 key @ std SB 10° location.
[2] Optional upgrade to stainless ARP bolts available.
[3] INCLUDES NEW OEM LS STYLE CRANK BOLT

Front Drive Pulleys

PART #	Grooves	UD%	Drive Dia	Price
916359	6	10% UD	6.773"	$153.31
916358	6	OEM	7.525"	$164.95
916153	8	4% OD	7.835"	$209.80
916105	8	10% OD	8.295"	$209.80
916106	8	15.5% OD	8.690"	$209.80
916159	10	30% OD	9.770"	$239.50

Chevy Duramax Diesel Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	RINGS	SHELL ASSEMBLY #	GROOVES	HUB #	HUB MATERIAL
NEUTRAL BALANCE '01-'15, 6 RIB	917378	7.425"	19 lbs	STEEL	3	917378S	6	916081	STEEL
6.6L - 6 RIB [11] LML & LGH (2011+) - EXT. BALANCE	917376	7.425"	19 lbs	STEEL	3	917376S	6	916081	STEEL
6.6L - 6 RIB [11] LBZ ('06-'07) LMM ('07-'10) - EXT. BALANCE	917369	7.425"	19 lbs	STEEL	3	917369S	6	916081	STEEL
6.6L LB7 & LLY [11] 6 RIB '01-'05 - EXT. BALANCE	917371	7.425"	19 lbs	STEEL	3	917371S	6	916081	STEEL

[11] Use damper #917378 for internal balance version.

GM Ecotec Serpentine Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	SHELL #	RIBS	HUB # [1]	HUB MATERIAL
4 CYL ECOTEC [1]	917287	6.78" OD	4.50 lbs	ALUMINUM	—	8	916752	STEEL WITH INNER SHELL
4 CYL ECOTEC [1]	917288 [2]	5.67" OD (12% UD)	4.50 lbs	ALUMINUM	—	8	916753	STEEL WITH INNER SHELL

[1] All hubs have 3/16 key @ std SB 10° location. 8 groove shell for supercharged upgrades, OEM 6 groove location. Fits all LSJ, LNF, LHU, LDK, LE5 engines. When using the 14% UD w/AC, Alternator and Tensioner, use belt K050390
[2] Damper is 12% UD from stock; not for over 600 HP on the street.

Chrysler Serpentine Dampers

YEARS	ENGINE	DAMPER PART #	OUTER DIAMETER	AVG WEIGHT LESS HUB	SHELL MATERIAL	SHELL #	RIBS	HUB #	HUB MATERIAL
'15+	354 SC NHRA DRAG PAK CHALLENGER [10]	918484 [4]	7.95"	11.60 LBS	ALUM	918484S	12 & 6	916279	STEEL
'15+	354 SC NHRA DRAG PAK CHALLENGER [10]	918489 [4]	7.53"	11.05 LBS	ALUM	918489S	12 & 6	916279	STEEL

'15+ VVT	6.2L SUPERCHARGED V8 HEMI HELLCAT, '18 DEMON CHALLENGER, CHARGER, TRACKHAWK	918483 [4]	8.18" OEM	-	ALUM	918483S	10 & 6	916278	STEEL
'15+ VVT		918485 [4, 9]	8.90" 10% OD	-	ALUM	918485S	10 & 6	916278	STEEL

'05 -'10 NON-VVT	6.1 L / CRATE 392 & 426 HEMI STOCK [8]	918432	6.78" 5% OD	4.5 LBS	ALUM	917071-55	6	916652	STEEL
		918437	7.48" 17% OD	-	ALUM	917073	6	916652	STEEL
		918438 [3, 7]	5.67" 13% UD	3.6 LBS	ALUM	-	6	916241	STEEL

'11-'20 VVT	5.7L & 6.4L HEMI CHARGER, CHALLENGER, 300C,GRAND CHEROKEE, COMMANDER, DURANGO	918487	5.67" 15% UD	-	ALUM	-	6	916241	STEEL
		918459	6.78" 6% OD	-	ALUM	917071	6	916541	STEEL
		918486	7.48" 18% OD	-	ALUM	917073	6	916541	STEEL

'09 - '10 VVT	5.7L HEMI CHARGER, CHALLENGER, 300C,GRAND CHEROKEE	918446	7.48" 18% OD	-	ALUM	917073	6	916246	STEEL
'09 - '10 VVT	5.7L HEMI CHARGER, CHALLENGER, 300C,GRAND CHEROKEE	918447 [3]	5.67" 15% UD	3.6 LBS	ALUM	-	6	916245	STEEL

'05 -'08 NON-VVT	300, MAGNUM, GRAND CHEROKEE, CHARGER, COMMANDER	918436	7.48" 10% OD	4.5 LBS	ALUM	917073	6	916247	STEEL
'05 -'08 NON-VVT	300, MAGNUM, GRAND CHEROKEE, CHARGER, COMMANDER	918435	6.78" 2% UD	-	ALUM	917071	6	916247	STEEL

'03 -'08 NON-VVT	5.7L HEMI TRUCK LENGTH DURANGO, ASPEN	918434 [5]	7.48" 4% OD	-	ALUM	917044	8	916248	STEEL
		918433 [5]	6.78" 5% UD	4.5 LBS	ALUM	917075	8	916248	STEEL
		918439 [1, 3]	5.93" 15% UD	7.55 LBS	ALUM	-	7	916242	STEEL
'09-'20 VVT	5.7L & 6.4L HEMI TRUCK, 2009 ONLY DURANGO (NON JEEP / COMMANDER & ASPEN)	918452	7.48" 18% OD	9 LBS	ALUM	917044	8	916238	STEEL
		918453	6.7" 6% OD	4.5 LBS	ALUM	917075	8	916238	STEEL
		918454 [4, 11]	7.074" 15% UD	-	ALUM	917020	6	916239	STEEL

4.7 AND SOME 3.7 RAM, DAKOTA, GRAND CHEROKEE W/BOLT-ON PULLEY OEM (PT# 916236) & 25% UD (PT# 916237)		918429 [6]	7.07" OEM	6.25 LBS	ALUM	918850	6	916311	STEEL
		918428	6.32" 25% UD	3.9 LBS	ALUM	917070	6	916311	STEEL

'00 - '10	NEON SRT-4 / PT CRUISER ('00-'10) DOUBLE 4 RIB OUTER SHELL	917469 [2]	6.78" 7% OD	4.5 LBS	ALUM	-	4	916422	STEEL

Requires shorter belt (Goodyear #4070975) 7 groove.
Use Duralast belt #560K4
Must turn down OD of stock washer to 1.850”
Requires a 97.75” long belt - Gates part # K060975
These are 8 groove dampers. Your OEM belt is 7 rib. Use the first groove closest to the engine. Aftermarket belts are 6 rib.
Requires a 97.75” long belt - Gates part # K060975.

Requires Shorter Belt: PN 5060800 Dayco Belt
For 392, use 5.7/6.1 OEM or ARP retaining bolts
Adds 3 PSI. Requires grinding the AC bracket for clearance. Use Gates Belt #K100594H (59.4”).
NHRA FSS legal as of 7/2/2021. Requires BB Chevy seal and front cover to be bored to fit! 2015+ 354 Super charged Drag Pak - 7.950 drive diameter
Use Gates Belt # K060771 / 6PK1957

Ford Serpentine Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT (WITHOUT HUB)	SHELL MATERIAL	SHELL ASSY #	RIBS	HUB # AVG WGHT 2.9 LBS	HUB MATERIAL
'96 - '04 MUSTANG GT & COBRA 4.6L	918036 [6]	6.78" (OEM)	5.5 lbs	ALUM	917078	6	916571	STEEL
	918037	6.78"	5.5 lbs	ALUM	917079	8	916572	STEEL
	918041	5.5" (15% UD)	7.55 lbs	ALUM	—	6	916575M	STEEL
'03 - '04 COBRA - WITH OEM CRANK SUPPORT 4.6L	918044	6.78"	5.5 lbs	ALUM	917078	6	916584	STEEL
MUSTANG GT 4.6L MOD MOTOR ‘05 -’10	918039	6.78" (OEM)	5.5 lbs	ALUM	917021	6	916565 [2]	STEEL
	918018	7.48" (12% OD)	-- lbs	ALUM	—	8	916565 [2]	STEEL
	918019	8.074" (20% OD)	-- lbs	ALUM	918019S	8	916565 [2]	STEEL
GT500 & COBRA JET MID 2007-12 5.4L GT500 2013-14 5.8L	918045	7.5"	9.75 lbs	STEEL	917085	10	916576H	STEEL
	918049	7.81" (10% OD)	11.85 lbs	ALUM	917115	10	916576H	STEEL
	918046 [4]	8.12" (15% OD)	11.85 lbs	ALUM	917102	10	916576H	STEEL
'11-'21 MUSTANG GT COYOTE 5.0 V8 2012-2013 BOSS 2011-2013 F-150 2013 COBRA JET NATURALLY ASPIRATED 2012-2013 COBRA JET SUPERCHARGED	917354	5.67" (17% UD)	5.5 lbs	ALUM	916726M1	6, 6 A/C (10% UD)	916653	STEEL
	918047	6.78"	5.5 lbs	ALUM	917104	6, 6 A/C	916124	STEEL
	918047A	6.78"	5.5 lbs	ALUM	917104	6, 6 A/C	916124A	ALUM
	918047N	6.78"	5.5 lbs	ALUM	917104A	6 (No A/C)	916124	STEEL
	918047NA	6.78"	5.5 lbs	ALUM	917104A	6 (No A/C)	916124	ALUM
	918052	7.48" (10% OD)	7.48 lbs	ALUM	918052S	8, 6 A/C	916124	STEEL
	918053	7.795" (15% OD)		ALUM	918053S	8, 6 A/C	916124	STEEL
	918048 [7,11, 14]	8.074" (20% OD)	12.0 lbs	ALUM	917109	10, 6 A/C	916124K [8]	STEEL
	918048N	8.074" (20% OD)	4.5 lbs	ALUM	917109A	10 (No A/C)	916124K [8]	STEEL
	918488N	7.092" (5% OD)	4.5 lbs	ALUM	917144	10 (No A/C)	916124K [8]	STEEL
2015+ F-150	918055	6.78"	5.5 lbs	ALUM	917104	6, 4 A/C	916124	STEEL
3.3L - 3.7L V6 ECOBOOST [16] '15-'17 MUSTANG '15-'22 EXPEDITION '15-'23 NAVIGATOR '17-'20 RAPTOR '16-'23 F150 XL/XLT '20-'23 EXPLORER	917317	6.78" (4% OD)	5.5 lbs	ALUM	917146	6, 4 A/C	916304	STEEL
2014 - 2016 COBRA JET SUPERCHARGED 5.0L	918066 [12]	7.88" (20% OD)	12 lbs	ALUM	917142	10	916124K [8]	STEEL
2010 - 2015 SVT RAPTOR & ALL 6.2L ENGINES	918062 [9]	6.78"	5.5 lbs	ALUM	917134	8	916577	STEEL
2010 - 2015 SVT RAPTOR & ALL 6.2L ENGINES	918065	7.48" (12% OD)	9.75 lbs	ALUM	917133	8	916578 [10]	STEEL
FORD 7.3L GODZILLA	918073	7.57" (OEM)	7.75 lbs	STEEL	--	6, 6 A/C	916473	STEEL
FORD GT SUPERCAR SUPERCHARGED 5.4L	918043 [15]	7.425"	9.75 lbs	STEEL	917085	10	916576H	STEEL

2) Washer #954078 is required and included.
3) All hubs have 3/16 key @ std SB 10° location.
4) Std GT500 will require an 88” belt with a stock diam. blower pulley. For 2013
      models with oil cooler, relocation fittings are available from EVO Performance.
6) An optional adapter ring and interchangeable blower drive pulleys are available
     from METCO Motorsports for this damper.
7) These dampers will not work with a stock water pump pulley. Requires Whipple pulley
      kit #WB-COY10-11 for 2011-2014 and #WB-COY10-15 for 2015 to retain stock water
      pump or an electric pump must be used.
8)   Hub #916124K has two (2) 3/16” keyways.

9)   OEM replacement, can be used with a 6 rib belt to the rear.
10) Has oversized hub and special seal (#973138).
11) This damper does not fit the 2014 Cobra Jet without modifications to the
        rear of the shell.
12) No timing marks.
13) For an aluminum hub, add “A” to part number.
14) Install required Whipple Pulley Kit WB-COY10-11
      for 2011-2014 and WB-COY10-15 for 2015
15) Installation of damper may require modified oil pump pulley
16) 4% Overdriven over OEM

Ford Diesel Dampers

ENGINE	DAMPER PART #	OUTER DIAMETER	WEIGHT	SHELL MATERIAL	RINGS	HUB #	HUB MATERIAL
6.7L ( '11 - present)	918892	7.95"	17.7 lbs	STEEL	3	916775	STEEL
6.4L ( '08 - '10)	918887 [7]	8.48"	26 lbs	STEEL	3	916764	STEEL
6.0L ( '03 - '07)	918888 [4]	7.95"	16 lbs	STEEL	3	916761	STEEL
F-250/350 - 7.3L ( '99 - '03)	918889 [11]	7.45"	15 lbs	STEEL	3	916754	STEEL

[4] Requires front pulley #916118 for dual alternator.
[7] Drive pulley - #916162.
[11] Damper is 12% OD. Use NAPA belt 25-081253.

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