S&S Cycle 106-3466 S&S® Performance Replacement Low Compression 82cc Cylinder Heads For 1984-'99 HD® Big Twins - Natural Aluminum Finish BUCKET Harley-Davidson® Motorcycles script in a

Harley-Davidson® Motorcycles script in a circular graphic

Gearcovers for this model year group have an internal breather passage required for engines that have the crankcase breather routed directly out of the crankcase

- Durable polyurethane construction resists chemicals

If you have a 2013-earlier Road Glide® this is the bar for you

S&S Cycle 106-3466 S&S® Performance Replacement Low Compression 82cc Cylinder Heads For 1984-'99 HD® Big Twins - Natural Aluminum Finish BUCKET Harley-Davidson® Motorcycles script in aS&S Cycle 106 3466 S&S Performance Replacement cylinder heads for 1986 '99 HD Evolution big twin engines are designed to be compatible with a stock style flat topped piston. This set has a slightly larger 82cc combustion chamber making them idea for larger displacement applications, producing a managable compression ratio. These heads are original equipment on S&S V96 and V80 engines. Larger than stock 1. 900" intake and 1. 575" exhaust valves provide