TPUSA 865 High Performance Kit

Designed by TPUSA premier tuner, Matt Capri. Easy installation. This drop in forged pistons kit will work with your OEM 865 CC's Nikasil plated cylinders,.10.8:1 Compression Ratio. Offset lightweight wrist pins. Intake valve pockets opened to accept up to 6 mm oversize valves.Exhaust valve pockets opened to accept up to 5mm oversize valves. Rings hand gapped by Matt. Custom balanced to 1/10th gram by Matt. Custom MLS steel head & rubber coated base gaskets.Custom grind 813-S cams included with the kit( CAMS CORE EXCHANGE required before shipping(core must be in excellent condition.).
Available for Bonneville, Thruxton, Scrambler, America and Speedmasterequipped with 865 CC's engines.
NOT LEGAL FOR REGISTRATION OR SALE FOR ON-ROAD USE IN CALIFORNIA.