For 88–103" engines

Risers: 9" høje

Pro-Foam™'s unique molding process creates a weather-resistant

Made from lightweight aluminum with a silver anodized finish

Andrews, chain drive cam shaft set TW21/.498" COMMUNICATION SYSTEMS For 88–103" engines. 498" valve lift. Kit includes two chain driven camshafts. A cam drive installation kit, which includes a gear cover gasket, cam bearings, and snap ring, can be ordered separately as S&S 503593. The camshafts can be used with original hydraulic lifters. Note: 1999 Twin Cam owners must purchase the 00 06 style splined driven gear (503575 Andrews) separately. 00 06 models can reuse the original 34 tooth driven gear. When using 99 06 chain driven cams