S&S Cycle Valve Spring Kit 0.550" Lift for Panhead and Shovelhead Engines 48-84 | Part No. 90-2053 Wheel M/C Front Billet Cast Forged The Scorpion EXO Exo R1

The Scorpion EXO Exo R1 Air Full Face Helmet combines advanced safety features with aerodynamic design to deliver superior performance for motorcycle riders

60% increase in torque capacity and engagement for superior power transfer

14-gauge steel

The hand-crafted progressive density foam paired with SaddleGEL™ foundations offers exceptional comfort that surpasses typical low-profile seats

Complete kit includes two risers and a matching one-piece top clamp

S&S Cycle Valve Spring Kit 0.550" Lift for Panhead and Shovelhead Engines 48-84 | Part No. 90-2053 Wheel M/C Front Billet Cast Forged The Scorpion EXO Exo R1Valve Spring Kit 0. 550" Lift Panhead Shovelhead Engines '48 '84 The S&S Cycle Valve Spring Kit (Part No. 90 2053) is designed to optimize valve operation in Harley Davidson Panhead and Shovelhead engines from 1948 to 1984. This kit provides additional rocker clearance for models from 1948 through 1965, ensuring proper valve function and reducing the risk of valve to rocker interference. It is compatible with stock style bottom collars, valve guides,