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DS-750555
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- Heads feature radius valve job, stainless steel valves (1.940” intake/1.625” exhaust), titanium retainers, seven-degree locks, valve springs and seals
- Valve springs have 175 lb. of pressure when installed at 1.800” (.650” maximum valve lift)
- Evolution heads feature 3/8” headbolt holes that allow bore sizes up to 3 13/16”
- Twin Cam heads are designed for 3 7/8” bore 95” models
- All heads have a combustion chamber volume of 72cc
- Spark plug hole is centrally located and tapped for use with 12mm spark plugs
- Heads require the use of Edelbrock three-piece manifolds (sold separately)
- Drilled for crankcase breather system
- CNC ported and are compatible with stock rocker boxes
- Sold in pairs
- Made in the U.S.A.
NOTE: Not for fuel-injected Evolution models.
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