ATI Super Damper Crank Pulley for 4G63 Evo 4-9 (918250) Lamborghini (1) M10 Lock Washer

(1) M10 Lock Washer

Weldon's Fuel Pressure Regulators maintain steady fuel delivery during dramatic changes in fuel demand

Tilton's Metallic OT-Series race clutches offer the low moment-of-inertia

Simply sandwich your hanger between the fitting and washer/nut

but stock air intake system is not compatible

ATI Super Damper Crank Pulley for 4G63 Evo 4-9 (918250) Lamborghini (1) M10 Lock WasherThe ATI Super Damper crankshaft pulley for Evo 4 9 is suitable for high power street and race use. Direct replacement for the stock OEM damper. The damper's outer diameter is 6. 325", 12% larger than OEM. The factory lower timing cover will need to be trimmed for hub clearance. The heart of this unit is the tried and true "damper within a damper" design that has put ATI ahead of the rest. The outer shell is machined to utilize the factory serpentine