NAPREC ATI Damper Pulley Kit for SR20DET

Car Maker: Nissan
Car Model: Silvia S13/S14/S15
Engine: SR20DET
This kit installs a crank damper, sold by ATI in the US, on the SR20DET engine.


■ Pulley ratio

Crankshaft = 1
Water pump = 0.87 (normal 1.31)
Alternator = 1.79 (normal 2.21)
Power steering = 0.93 (normal 1.02)
It is designed to reduce all rotation speeds for racing use, in order to prevent cavitation and pump overload that occurs during high rotation speed operation.

■Kit contents

ATI 6-inch steel damper
Crank hub (seizure-resistant, galling-resistant material hub)
Duralumin crank pulley (double pulley, hard anodized)
Duralumin water pump pulley (hard anodized)
Duralumin alternator pulley (hard anodized)
Duralumin power steering pulley (hard anodized)
Two dedicated ribbed belts
Mounting bolts

For more details, please go through the below link
NAPREC ATI Damper Pulley Kit for SR20DET