.550" Lift Double Valve Spring Kit for 1948-'84 Panhead and Shovelhead Engines MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $248.95 90-2053 Compare More Details
.590" Lift Triple Valve Spring Kit for Late 1981-'84 Big Twin Modelsand All S&S Cylinder Heads MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $234.95 90-2063 Compare Add to Cart The item has been added More Details
.650" Lift Sidewinder® Valve Spring Kit for 1984-2004 Big Twins and 1986-2003 HD® Sportster® Models MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $254.95 900-0050 Compare More Details
Heavy Duty Valve Spring kit for 2017-Up M8 Models MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $395.95 900-0958 Compare Add to Cart The item has been added More Details
Sidewinder® .650" Valve Spring Kit for 2005-'18 Big Twins and 2004-'19 HD® Sportster® Models MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $257.95 106-5909 Compare Add to Cart The item has been added More Details
Street Performance .585" Valve Spring Kit for 1984-'04 Big Twin Models MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $163.95 900-0593 Compare Add to Cart The item has been added More Details
Street Performance .585" Valve Spring Kit for 2005-'17 Big Twin and 2004-Up XL Models MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $183.95 900-0594 Compare Add to Cart The item has been added More Details
Street Performance .585" Valve Spring Kit for All S&S CNC Ported Heads MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $183.95 900-0596 Compare Add to Cart The item has been added More Details
Street Performance .585" Valve Spring Kit for All S&S Super Stock Heads MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $163.95 900-0595 Compare Add to Cart The item has been added More Details
Valve Spring Kit for KN-Series and 1936-'47 Knucklehead Engines MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $406.95 106-6398 Compare Add to Cart The item has been added More Details
