ATI DAMPER PULLEY FOR NISSAN SR20 S13 S14 S15 SR20DET TURBO 918582

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ATI DAMPER PULLEY FOR NISSAN SR20 S13 S14 S15 SR20DET TURBO 918582

Super Damper® Harmonic 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
Black zinc chromate finished
OEM equipment on 392 Mopar Crate Engines
Tunable, rebuildable, and extremely efficient at ALL RPM
Laser engraved 360° timing marks

Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This 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)

Nissan Dampers

ALUMINUM SHELL

CRANKSHAFT
HUB
PART NUMBERS

OUTER DIAMETER

7.053" OD

7.074" OD

6.78" OD

6.325" OD

5.5" OD

2 RING

3 RING

2 RING

3 RING

2 RING

3 RING

2 RING

3 RING

STEEL
HUB

STEEL HUB
WITH
INNER SHELL

TOTAL WEIGHT
INERTIA WEIGHT

5.25 lbs
3.50 lbs

6.25 lbs
4.50 lbs

5.45 lbs
3.70 lbs

5.00 lbs
3.40 lbs

4.5 lbs
2.4 lbs

4.3 lbs
2.2 lbs

3.90 lbs
2.40 lbs

3.30 lbs
1.97 lbs

3.60 lbs
2.27 lbs

DAMPER ASSEMBLY PART NUMBERS (includes crank hub)

4 CYL - L16, L18, L20

917720

916020

6 CYL - L28, L24, L26
SINGLE V-BELT BEHIND DAMPER

917800

917801

917790

918040

916780

RB26
6 CYL

RACE: No Accessory Drives

918593

918596

916060

STREET: Up to 750HP
R32 - DIRECT BOLT ON U/D

918599
[1]

916063

STREET: 1000HP
R32 - DIRECT BOLT ON U/D

917752 [2]

916065

STREET: Up to 750HP
R33 & R34- DIRECT BOLT ON U/D

918598
[1]

916063

STREET: 1000HP
R33 & R34 DIRECT BOLT ON U/D

917753 [2]

916065

VG30
V6 300ZX
'90-'98
35mm Crank

RACE: 1000 HP Max

917755

916784

STREET: 600 HP Max
P/S, AC, Alt

917754

916781

VQ35HR - V6
'07-'08 SKYLINE
'07-'08 G37
'07-'08 370Z
'09-'12 FX35

VQ37VHR - V6
'08-'14 SKYLINE
'08-'13 G37
'09-'14 370Z
'13 FX37

DRY SUMP CONVERSIONS ONLY. CALL FOR OEM REPLACEMENT

5.7"
OEM
7 RIB PULLEY

918565

916778

4.8"
15% U/D
7 RIB PULLEY

918566

916778

VQ35DE
V6 350Z
'02-'06

RACE

918586

916069

STREET: P/S, Air, Alt

918588

916069

SR20
4 CYL [3]

RWD Street
4 & 5 Rib w/PS Pulley

918582 [4]

916066

FWD Race

918608

916082

FWD Street

918607

916082

KA24 - 4 CYL OEM SIZE BELTS

917756

916792

VR38DETT
6 CYL

GT-R 7-RIB 5% UD

918641

916787

[1] 16% UD for power steering. AC, water pump and alternator are all 6%UD.
[2] Damper includes new billet aluminum water pump pulley for clearance. AC is a 25% OD. Do not use a belt if racing! 3% UD power steering, 10% UD for alternator.
[3] If installing on a standard “DE” engine, you must use ATI crank spacer #916298 behind the damper.
[4] Power steering pulley is 11% UD.

SKU	918582
Brand	ATI RACING
Shipping Weight	6.0000kg
Shipping Width	0.250m
Shipping Height	0.130m
Shipping Length	0.250m
Shipping Cubic	0.008125000m3