UNLNOWN

66977

S&S GEAR DRIVE CAMSHAFT KITS FOR 1999/LATER BIG TWIN ENGINES 66977

EAN: 0700736594940

UPC: 700736594940

Bench Seat Consoles

S&S offers a variety of cam grinds for 1999/Later Big Twin gear drive engines.
With the exception of the "bolt in" 510G camshafts, S&S cams are high lift and were designed to take advantage of the extra flow of ported stock heads or S&S Super Stock(r) cylinder heads.
Due to the high lift of these cams, S&S adjustable pushrods and high performance valve springs are recommended.
510G: Designed as a bolt in cam for 88", 95", & 96" engines with compression ratios below 9.7:1.
Intended primarily for stock heads that have not been ported.

546G: This is a short duration emissions cam with very little overlap to reduce emissions of unburned hydrocabons. It is intended as a replacement part for S&S emissions certified engines. 570G: Designed for 88" to 96" engines with compression ratios between 9:1 and 10:1. 585G: Designed for 88" to 95" engines with compression ratios from 10 to 10.5:1 and 100" and 107" engines at 9.7:1 to 10.5:1 compression. 625G: Cam set designed for 95" or larger engines with compression ratios between 10.0 and 10.75:1. 640G: Designed for engines of 95" or more with compression ratios between 10.5:1 and 11.5:1 used in S&S 124" engines. 675G: Designed for 120" or larger engines with at least 11:1 compression ratio. The pa

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