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Supercharger Super Dampers
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Supercharger Super Dampers®

The ATI Supercharger Super Dampers places the powerful protection of our Super Damper inside the crankshaft blower pulley! Why bother with an additional blower pulley that bolts to your stock harmonic balancer? The ATI Supercharger Super Damper features external belt drives for virtually any type of blower belt, and eliminates the need for separate crank mounted blower pulleys.

Crank hubs are available for all engines and are available with 25 tooth x 20mm 8mm HTD drive pulleys machined in the hub for dry sump or fuel pump drives between the damper / blower pulley and the engine.

Most hubs have dual keyways and are available in custom lengths for all cam belt drive set-ups from Jesel, Danny B, and Comp Cams. Numerous pulley offsets are available to keep the blower drive as close to the engine as possible to reduce the bending moment to the crankshaft nose.

  


GM Supercharged Dampers
 
  CHRYSLER OEM FRONT BLOWER DRIVE 3/8-24 PULLEY BOLTS
 
  CHEVROLET FRONT - 6 BOLT
ENGINE
DAMPER
PART #
OUTER
DIAMETER
WEIGHT
(LESS HUB)
INERTIA WEIGHT
SHELL MATERIAL
HUB #
(AVG WEIGHT 2.4 LBS)
SB BLOWER - 1.246" CRANKSHAFT - 2 X 3/16 KEYWAYS, RACE USE: 8 LBS MAX BOOST, STREET USE: 12 LBS MAX BOOST
918872E
7.074"
8.75 LBS
4.5 LBS
STEEL
916133 [1]
SB BLOWER W/BBC 1.600" CRANKSHAFT, 3/16" & 1/4" KEYWAYS 180° APART
918873E
7.425"
8.75 LBS
4.5 LBS
STEEL
916134 [4]
SB 6-BOLT 3/18-16 CHEVY FRONT DUAL 3/16" KEYWAYS - BB CHEVY SEAL DIAMETER - USE #925500 COVER
918869
7.074
8.75 LBS
4.5 LBS
STEEL
916172
1997 - 2013 LS1, 2, 3, 6 Y BODY, G8, SS &
2004 - 2007 CTS-V 		8 & 4 GROOVE
917345
7.425"
-
-
STEEL
916032-M3
10 & 4 GROOVE
917347X
7.530"
-
-
ALUM
916032-M3
LS1 F BODY (8 & 4 GROOVE)
917345A
7.425"
-
-
STEEL
916031
LS1 / LS2 F BODY CAMARO / FIREBIRD / V BODY GTO
6 BOLT PATTERN FOR BOLT ON BLOWER PULLEY, SINGLE 3/16” KEYWAY
918853
7.425"
-
-
STEEL
916031S [5]
LS3 Z-BODY 2010 - 2015 CAMARO & GEN 3 VORTEC TRUCK
6 BOLT PATTERN FOR BOLT-ON BLOWER PULLEY, SINGLE 3/16” KEYWAY
918635
7.480"
14.00 LBS
4.0 LBS
ALUM
916430M
LS3 2010-2015 CAMARO & GEN 3 VORTEC TRUCK - 4% OD (10 & 4 GRV)
918632
7.950"
-
ALUM
916430M
LS3 2010-2015 CAMARO & GEN 3 VORTEC TRUCK - 4% OD (8 & 4 GRV)
917285
7.425"
-
STEEL
916430M
LS3 Z BODY CAMARO 2010 - 2015
LS1/LS2 C & K BODY TRUCK SSR, AND TRAILBLAZER - SINGLE 3/16" KEYWAY
 10 GROOVE, 8” 6% OD WITH AC
918625
8.190"
-
-
ALUM
916430M
10 GROOVE, OEM WITH AC
918627
7.530"
-
-
ALUM
916430M
LS7 Y BODY, 10 GROOVE - 8” 10% OD - OEM AC PULLEY, SINGLE 3/16” KEYWAY
918622
8.250"
-
-
ALUM
916058
LS9 Y BODY, 11 & 6 GROOVE, 14% OD
918624
8.530"
-
-
ALUM
916107
LS9 Y BODY, 11 & 6 GROOVE
918634
7.530"
-
-
ALUM
916107
BB BLOWER 3/16” & 1/4” KEYWAYS, 180° APART
918871E
7.074"
8.75 LBS
4.50 LBS
STEEL
916145
918870E
7.074"
6.25 LBS
4.50 LBS
ALUM
916145
BB BLOWER 38-24 CHEVY FRONT 3/16” & 1/4” KEYWAYS, 180° APART
917064
7.074"
13.00 LBS
4.50 LBS
STEEL
916891 [2]
BB BLOWER DRIVE WITH JESEL BELT DRIVE, 3/16” & 1/4” KEYWAYS, 180° APART HUB HAS 24 TOOTH 8MM HTD ACCESS. DRIVE
918874E
7.425"
8.75 LBS
4.50 LBS
STEEL
916144
BB BLOWER, 3/16” & 1/4” KEYWAYS 180° APART - EXTERNAL BALANCE
917741E
7.425"
8.75 LBS
4.50 LBS
STEEL
916143

  1. Use hub part #916136 for 1.246“ SB crankshaft with BB seal and Chrysler bolting.
  2. One-piece hub and inner shell.
  1. The BB Chevy & SB Chevy with BB 1.600” nose both use a unique 2-piece hub that allows the stock length bolt to hold the damper to the crank & a separate extension to locate the blower pulley and crank trigger. See Diagram:



  2. Use hub part #916031A for larger seal diameter and dual 3/16” keyways. Recommended when exceeding 10 lbs of boost or using a 12 rib or cog drive. Includes proper seal (required).
 

LS Shell Assemblies for Supercharged Applications

Aluminum shell assemblies for LS1, LS2, LS3, LS6, Gen 3 & 4 Truck

Ribs
Diameter
 Part #  
8
8.27"
 917108 [1]  
8
7.96"
 917107 [1]
8
7.48"
 917139
10
8.19"
 917094
10
7.95"
 917091
10
7.53"
 917034X [2]
10
7.53"
 917034 [3]
  1. Must be counter sunk drilled for Y Body apps.
  2. 5/16 countersunk pulley bolt holes
  3. 3/8 countersunk pulley bolt holes



Chrysler Supercharged Dampers
 
  CHRYSLER OEM FRONT BLOWER DRIVE 3/8-24 PULLEY BOLTS
APPLICATION DAMPER
PART #		 OUTER
DIAMETER		 AVG WEIGHT
LESS HUB		 SHELL
MATERIAL 		SHELL # PULLEY # RIBS ON PULLEY HUB # HUB
MATERIAL
VIPER
V10		 GEN I & II - 1992-2002 917931E [2] 7.074" 5.0 LBS ALUM 917042E 916263 10 & 7 916260 [1] STEEL
GEN III - 2003-2006 917933E [2,3,4] 7.074" 5.0 LBS ALUM 917042E 916263F 7 916264 [1] STEEL
GEN IV - 2008-2010
GEN V - 2013+ 		917935E [2,3] 7.074" 5.0 LBS ALUM 917040E 916273 7 916268 STEEL
V8 B
361, 383,
400, 413,
426, 440		 A-FUEL - TWO 0.25" KEYWAYS, 1@TDC, THE 2nd 180° FROM TDC 917123E [7] 7.074" 8.75 LBS STEEL 918442E-99 -- -- 916256 STEEL
OEM BB - TWO 0.25" KEYWAYS
OEM TIMING TAB		 917110E [5, 6] 7.074" 8.75 LBS STEEL 918442EP -- -- 916258 STEEL

Supercharger Pulleys for Vipers
Vortech applications
Application
Diameter
Grooves
 Part # Price
VIPER GEN 3
VIPER GEN 3
VIPER GEN 1-2
VIPER GEN 1-2
7.790
7.790
7.320
7.790
10 & 7
8 & 7
10 & 7
10 & 7
 916263C
916263D
916263
916263A 		$239.50
$239.50
$209.80
$239.50

Paxton applications
Application
Diameter
Grooves
 Part # Price
VIPER GEN 3
7.280
8 & 7
 916266 $209.80
 
  1. Hub has 2 3/16” wide keys at 180º and requires a #916261M spacer, supplied with the damper.
  2. For GTS-R, call your Sales Technician.
  3. Supplied with new lightweight aluminum pulley to retain stock belt location.
  
  1. Passenger side timing
  2. Not an OEM replacement for stock pulley location.
  3. Part #918442E-99 shell is used. 99 durometer rings are used with driver’s side timing.


Ford Supercharged Dampers
 
  FORD OEM FRONT - 4 BOLT PULLEY
STEEL SHELLS
ALUMINUM SHELLS
CRANK HUB
7.425" OD
6.325" OD
6.780" OD
3 RING
3 RING
STEEL
TOTAL WEIGHT
INERTIA WEIGHT
8.75 LBS
4.50 LBS
6.00 LBS
2.40 LBS
5.45 LBS
3.70 LBS
INTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS  
V8 SB - 6 CYL. 4"
918916 [4]
916566A [3]
MUSTANG COBRA - 4.6 V8 8 RIB - 12% OD
918038 [5]
916572
MUSTANG ('96 - '04) - 4.6 V8 8 RIB  
918037
918572

[3] Hub #916566A has increased wall thickness & two 3/16” keyways for 4-bolt supercharged applications. Requires seal #973131. This hub is bored straight through with no counterbore for OEM crankshafts with the keyway 1” back. It is intended for aftermarket cranks or “engine builder hone to fit” full length keys. Request counterbore if using an OEM crankshaft. For undersized hub, order part #916566AU.
[4] 1994 and 1995 have clearance issues with the rack. Part #918910 is 50 oz. in.
[5] Must grind and epoxy later model block’s crank sensor area to clear the back outer diameter of the damper.
[11] 1994 & 1995 cars use a 3.35” long hub with an 11 o’clock keyway (custom item-not in stock). The rack for these cars is under the oil pan and nowhere near the damper. Part #918910 is 50 oz. in.

ATI stocks all HTD pulleys. Please consult an ATI sales technician.
 
     
 
 
 
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