Replacement Roller Rocker Arm Set For Harley Davidson Evolution XL Sportster

Replacement Roller Rocker Arm Set For Harley Davidson Evolution XL Sportster

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Replacement Roller Rocker Arm Set For Harley HD Evolution & Twin Cam Engines

High Quality Roller Rocker Arm Set made from 4140 steel forgings. Quite possibly the strongest on the market! These rocker arms incorporate a 1.675ratio for increased lift. Works with OEM rocker shafts. 

Fits HD XL Sportster engines 85-Later

Fits HD Big Twin Evo engines 84-99

Fits all Twin Cam engines

These are the same roller rocker arms used in the Ultima big inch competition motors with no problem.

Roller rocker arms really quiet down the valvetrain noise too!!!!