S&s Cycle Cylinder Stud Head Bolt - 900-1176 For Harley Motorcycles 2017-2023 Model_Chieftain 9cc dished pistons

9cc dished pistons

Affixed isolators snap in place to the OEM fairing air duct cover for a seamless installation

Combines reflector and projector type LEDs for optimal performance

Product Name Gasket Kit Type Top End Bore Size 4

Note:Fits a '84-'99 Evolution Big Twin (80") that requires a manifold with a map sensor port

S&s Cycle Cylinder Stud Head Bolt - 900-1176 For Harley Motorcycles 2017-2023 Model_Chieftain 9cc dished pistonsFeatures Studs 8 studs with rounded thread roots, rather than flat, improving fatigue strength 4140 Chrome Moly studs, oil quenched and tempered to 39 44 HRC Positive stop shoulder allows for consistent installed height 180,000 psi tensile strength Head Bolts Reusable 14% increase in strength over stock Heat treated 8640 steel 200,000 psi ultimate tensile strength 8 head bolts with integral washer Formed threads Cold formed head Compatible with both