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S&S Cycle #90-1106 - Cylinder Heads - Super Stock® - 89 cc - Wrinkle Black - Twin Cam

These S&S® Super Stock® high performance cylinder heads are designed for 1999-'05 engines with stock crankcase. They work well with engines of stock displacement , but are ideal for somewhat larger...

S&S Cycle #90-1293 - Cylinder Heads - 79 cc - Super Stock® - Twin Cam

These S&S® Super Stock® high performance cylinder heads are designed for 1999-'05 engines with stock crankcase. They work well with engines of stock displacement, but are ideal for somewhat larger...

S&S Cycle #90-1491 - Cylinder Head Kit - Super Stock® - Dual Plug - O-Ring Style - Big Twin

S&S® Super Stock® 3-5/8" Bore O-Ring Style Dual Plug Cylinder Head Kit For 1966-'78 HD® Big Twins - Natural Aluminum Finish FitmentYear(s)MakeModel CodeModel1966-1978Harley-Davidson—<

S&S Cycle #90-1496 - Cylinder Head Kit - Super Stock® - Single Plug - O-Ring Style - Big Twin

S&S�� Super Stock® Stock Bore O-Ring Style Single Plug Cylinder Head Kit For 1966-'78 HD® Big Twins - Natural Aluminum Finish FitmentYear(s)MakeModel CodeModel1966-1978Harley-Davidson—

S&S Cycle #90-1497 - Cylinder Head Kit - Super Stock® - Single Plug - O-Ring Style - Big Twin

S&S® Super Stock® o-ring style cylinder heads for 1966-'78 HD® big twins feature a stock like appearance, but flow much better than stock heads. Heads come assembled with premium valves and S&S®...

S&S Cycle #90-1498 - Cylinder Head Kit - Super Stock® - Single Plug - Band Style - Big Twin

S&S® Super Stock® band style cylinder heads for 1979-'84 HD® big twins feature a stock like appearance, but flow much better than stock heads. Heads come assembled with premium valves and S&S® valve...

S&S Cycle #90-1499 - Cylinder Head Kit - Super Stock® - Single Plug - Band Style - Big Twin

S&S® Super Stock® band style cylinder heads for 1979-'84 HD® big twins feature a stock like appearance, but flow much better than stock heads. Heads come assembled with premium valves and S&S® valve...

S&S Cycle #90-1504 - Cylinder Head Kit - Super Stock™ - Black - Evolution Big Twin '88-'99

S&S® Super Stock® Cylinder Head Kit For 3-1/2" and 3-5/8" Bore HD® 1984-'99 Big Twins -Wrinkle Black Powder Coat Finish FitmentYear(s)MakeModel CodeModel1984-1999Harley-Davidson—

S&S Cycle #90-2015 - Intake Valve - 1.95" - Big Twin '66-'84

Intake Valve - 1.95" - Big Twin '66-'84FeaturesMade in the USAReplacement for '66-'84 valvesSpecsApplicationIntake

S&S Cycle #90-2022 - Exhaust Valve - 1.72" - Big Twin '66-'84

0.030" smaller than stock.Smaller exhaust valve head allows high TDC lifts without valve-to-valve interference as well as improved flow.FeaturesMade in the USAReplacement for '66-'84 valvesSpecs

S&S Cycle #90-2087 - Valve Spring Shim - 0.030" - For B3 Heads

.030" Valve Spring Shim for .720" and .660" lift valve springs as used in B3 heads. .574" x 1.450 x .030" black steel. Sold each.

S&S Cycle #90-2158 - Valve Guide Seals - Big Twin '84-'04

Valve Guide SealIntake/Exhaust 1984–2004 bt and 1986–2003 xl Sportster® Models (18001-83B) 8 Pack FitmentYear(s)MakeModel CodeModel1984-2028Harley-Davidson—Big Twin<

S&S Cycle #90-2210 - Valve Guide - Cast Iron - Standard - Twin Cam | XL

Cast Iron Standard Valve GuideIntake or Exhaust 1984-up bt, 1986-2003 xl (18112-92) FitmentYear(s)MakeModel CodeModel1984-2028Harley-Davidson—Big Twin1986-200

S&S Cycle #90-2211 - Valve Guide - Cast Iron - +0.001" - Twin Cam | XL

Valve Guide - Cast Iron - +0.001" - Twin Cam | XLFeaturesCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures aprox. 0.309"/0.310" with enough...

S&S Cycle #90-2212 - Valve Guide - Cast Iron - +0.002" - Twin Cam | XL

Valve Guide - Cast Iron - +0.002" - Twin Cam | XLFeaturesCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures aprox. 0.309"/0.310" with enough...