Frequently bought together:
Description
- Heads are fully assembled with springs and valves
- Designed for stock 88" to 103" engines or slightly modified engines up to 110"
- Moderately sized 1.940" intake and 1.575" exhaust valves maintain port velocity in smaller displacement engines for good low and midrange response
- S&S® High performance valve springs allow the installation of camshafts with up to .650" lift
- Combustion chamber provides a significantly higher than stock, but still manageable compression ratio
- Heads can be decked up to .060" to increase compression, but will require piston valve pockets to be re-machined
- Compatible with stock rocker boxes, exhaust, and intake manifolds
- Machined for S&S® electric or manual compression releases
- Made in the USA
Should not be used with any piston having a pop up dome.
Not compatible with '14-'16 FLHTK/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.
Must use the included S&S valve cover gasket kit with stock rocker covers.
Must use S&S rocker boxes if S&S compression releases are used.
Not for late model twin cam Harley Davidson® ACR's (Atomatic Compression Release) already installed.
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