ATI - Super Dampers® for Buick Engines

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Super Damper® Harmonic Dampers

Buick Super Dampers

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

Eliminates torsional crankshaft vibrations

Exceeds SFI 18.1 specs

Laser engraved 360° timing marks

Black zinc chromate finished

Inner and outer shells are available in aluminum or steel contain the steel inertia weight. The inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).

Damper Accessories
How to read this chart

		STEEL SHELLS		ALUMINUM SHELLS						CRANKSHAFT HUBS
		7.074" OD	6.325" OD	7.074" OD				6.325" OD		CRANKSHAFT HUBS
		3 RING		3 RING		2 RING		3 RING	2 RING	STEEL	ALUM	STEEL WITH INNER SHELL
TOTAL WEIGHT INERTIA WEIGHT		8.75 lbs 4.50 lbs	6.00 lbs 2.40 lbs	6.25 lbs 4.50 lbs	5.45 lbs 3.70 lbs	5.00 lbs 3.40 lbs	3.75 lbs 2.20 lbs	3.90 lbs 2.40 lbs	3.30 lbs 1.97 lbs	STEEL	ALUM	STEEL WITH INNER SHELL
DAMPER ONLY LESS HUB PART NUMBERS
CHEVROLET FRONT		917010	918940	917030	918850	917020	917000	917070	917050	AVG WEIGHT 2.4 LBS	AVG WEIGHT .85 LBS	—
CHEVROLET FRONT FOR HUB WITH INNER SHELL		917011	918942							AVG WEIGHT 2.4 LBS	AVG WEIGHT .85 LBS	—
INTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS
BUICK V6 & V8 (ALL) EXCEPT 430 & 455	DRY SUMP	918570	918571	918580	918581	917450	917360	918380	917460	916290
BUICK V6 & V8 (ALL) EXCEPT 430 & 455	OEM OIL PUMP	918050	918051	918060	918061	918030	918100	918090	918080	916210
BUICK V8 430-455 [1]		918160	918161	918170	918171	918140	918210	918660	918650	916230
EXTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS
BUICK 3800 SERIES - OEM BOLT-ON 8 RIB SUPERCHARGER PULLEY				918421						916211
BUICK 3800 SERIES - OEM BOLT-ON 8 RIB SUPERCHARGER, 10% OD				918422						916211
BUICK V6 (231-252) [1]		918420								916210
BUICK V8 (265-350) [1]		918410								916210
BUICK V6 (231-252) [1]		918400								916230

[1] Buick engines require mounting damper face forward of the OEM location to clear the timing cover for external balance dampers. Hubs may be machined on the crank gear end when using the shorter internal balance units to move the damper closer to the engine. 403-455 is .725” forward of the OEM location; 265-350 V8 and 252 V6 are 1.250” forward of the OEM location.

How to read this chart

Locate the correct manufacturer's chart
Choose the specific engine application listed down the left side of the chart
Determine if the damper needs to be internally or externally balanced ( external balance dampers are constructed of steel only). Black bars that extend horizontally across the entire chart designate these sections
Determine if you need steel or aluminum shells. Labels for this information are listed across the top of the chart in columns 2 and 3.
Once you have determined the shell material, you need to find the outside diameter (OD) of the desired steel or aluminum shell. Then choose between 2 or 3 rings and the desired weight of the damper.
From the far right section of the chart, select either a steel or aluminum hub for your desired engine application. To determine the correct damper assembly part number that intersects is the correct damper assembly.
Assembly part numbers that are color coded correspond to the pulley mount bolt pattern listed near the top of the charts.