Super Stock Heads / '84-'99 Evo Big Twin

Fully assembled S&S Super Stock cylinder heads for '84-'99 Evo Big Twin performance builds.

Better heads are where real Evo power lives. S&S Super Stock heads arrive fully assembled with stainless steel valves and high lift springs rated up to .640" lift, ready to deliver strong performance on their own and to work with further upgrades down the road. They reuse the stock head bolts, and S&S Super Stock piston kits with 10:1 pistons are required to complete the combination. Made in the U.S.A.

Features

• Fully assembled with stainless steel valves and high lift springs (up to .640" lift)
• Strong performance that works with additional upgrades
• Reuses stock head bolts
• Made in the U.S.A.

Specifications

• Requires S&S Super Stock piston kits with 10:1 pistons, rings, pins, and clips (sold separately in pairs)
• Intake manifold, pistons, and gasket kits sold separately
• Gasket kits include head, base, and exhaust pipe gaskets; rocker box gaskets not included due to varied rocker box styles

Fitment

• 1984-1999 Harley-Davidson Evolution Big Twin
• Reuses the stock head bolts
• S&S Super Stock piston kits with 10:1 pistons are required to complete the combination

Common Questions

What else do I need to run these?
S&S Super Stock piston kits with 10:1 pistons are required, and the intake manifold and gasket kits are sold separately. Check your full parts list before starting the build.

Do they come assembled?
Yes. The heads ship fully assembled with valves and high lift springs installed.