S&S Cycle 106-3466 S&S® Performance Replacement Low Compression 82cc Cylinder Heads For 1984-'99 HD® Big Twins - Natural Aluminum Finish BUCKET If you have a 2013-earlier

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

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- Durable polyurethane construction resists chemicals

Machined with an oil pressure relief bleed off valve to maintain consistent oil pressure from the time the engine is started to the time it's shut off

S&S Cycle 106-3466 S&S® Performance Replacement Low Compression 82cc Cylinder Heads For 1984-'99 HD® Big Twins - Natural Aluminum Finish BUCKET If you have a 2013-earlierS&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