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Supercharger Super Dampers
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Supercharger Damper Hubs and Timing Covers
Y-Body, F-Body, & C/K-Body Serpentine Conversion Kits for LS1 & LS2 Engines
 

Supercharger Super Dampers



* Options not available on all dampers. Damper shown (917342) for LS1 Y-body with HTD belt.


 

 

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.



Damper Accessories
How to read this chart

 

     
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 [3,4]
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
10 GROOVE - NO A/C
917349X
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
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 CHEVY FRONT 366 - 502, 10 GROOVE
917066
7.425"
-
-
STEEL
916891
BB CHEVY FRONT BLOWER DRIVE, 12 GROOVE
917066-12
7.425"
-
-
STEEL
916891
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"
6.25 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.
[3] For equally spaced OEM holes & ignition trigger, use #916134A.
[4] 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.






Chrysler Supercharged Dampers
 
  CHRYSLER OEM FRONT BLOWER DRIVE 3/8-24 PULLEY BOLTS
STEEL SHELLS
ALUMINUM SHELLS
CRANK HUB
7.074" OD
6.325" OD
3 RING
2 RING
STEEL
TOTAL WEIGHT
INERTIA WEIGHT
8.75 LBS
4.50 LBS
5.00 LBS
3.40 LBS
INTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS  
V8 B
361-383-400
413-426-440
A FUEL 2-1/4 KEYWAYS
1 @ TDC DSTM
917123E
916256 [2]
OEM BB 2-1/4 KEYWAY
OEM TIMING TAB
917110E
916258
VIPER V10 GEN I, II - 1992 - 2002 [5]
917931E
916260
VIPER V10 GEN III - 2003 - 2006 [5] [9] [10]
917933E
916264
VIPER V10 GEN IV - 2008 - 2010 [5] [9]
917935E
916268


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
EXTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS
V8 SB EXCEPT '82 & UP 302 HO 28.2 OZ IN [11]
918912
916566A [3]
V8 SB '82 & UP 302 HO ONLY 34 OZ IN [4,11]
 
918913
 
916566A [3]

[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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