Compatibility: Fits all 1-1/4" (3

Front and rear gasket for one engine

Can be used on:

Optimal placement in conjunction with Phatbar & Riser kits

Andrews, Chain Drive Cam Shaft Set TW55 /.550" AUDIO AMPLIFIERS Compatibility: Fits all 1-1/4" (3. 550" valve lift. Kit includes two chain driven camshafts. A cam drive installation kit, which includes gear cover gasket, cam bearings, and retaining ring, can be ordered separately as S&S 503593. The cams can be used with standard hydraulic lifters. For 88103" engines Compression ratio: 9. 810. 2 Maximum torque and power at higher RPM Requires high lift valve spring RPM range: 2,6006,200 Note: Owners of 1999 Twin Cams must separately purchase