S&S CYCLE 640 Cam - Evolution EX SPECS S/B65/20/265/640 33-5108 GP Plus v2 1-Piece Leather Suit Mounting holes are 2

Mounting holes are 2

Also work with Harley Davidson® OEM frame mounted mechanism and backrest pad

and external labeling

Front flex area is constructed with a soft microfiber for improving abrasion resistance and natural forwards and backwards movement

This tool is used by Team Graves Yamaha

S&S CYCLE 640 Cam - Evolution EX SPECS S/B65/20/265/640 33-5108 GP Plus v2 1-Piece Leather Suit Mounting holes are 2S&S Cams are tested on the dyno, street and track before being offered to the public With hundreds of hours of testing on each cam, you know you are getting the best cam S&S can produce For large displacement engines (110"+) with 10. 5 to 11. 5: 1 compression and smaller engines (96 107") with 11 to 12: 1 compression Requires high lift springs Less overlap and fast ramps build higher cylinder pressure Lower TDC lift makes installation easier Designed