Hot Cams

SKYFM660S2

Hot Cams SKYFM660S2 Valve Spring Kit

EAN: 0182682967359

UPC: 182682967359

SKU: tr-560172

Camshafts

Allows for higher camshaft lift over stock valves

Created from premium, Japanese spring steel, these springs will allow the trouble-free use of more demanding, higher performance cams like the Hot Cams Gold Series and Builder Series camshafts. Includes valve springs, base washers, and retainers. Required with Stage 2 and Stroker Raptor cams (part numbers 4005-2 and 4050-3). Exhaust coil bind: 0.7 inch; exhaust install force: 55 pounds; exhaust install height: 1.205 inch; exhaust maximum valve lift: 0.45 inch; exhaust open force: 145 pounds; exhaust open height: 0.345 inch; exhaust rate: 270 pounds/inch; intake coil bind: 0.7 inch; intake install force: 55 pounds; intake install height: 1.205 inch; intake maximum valve lift: 0.45 inch; intake open force: 145 pounds; intake open height: 0.345 inch; intake rate: 270 pounds/inch. For Yamaha Raptor 660 2001-2005.

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