Rough-Machined Splayed-Valve Aluminum Cylinder Head 

• Main surfaces are machined, exhaust bolt pattern is machined
• Head bolt and dowel holes, intake bolt holes, spark plug holes and pushrod holes are not machined
• Valve guides, valve seats, valve spring seats and rocker stands are not machined
• Valve locations and angles may be relocated
• 240cc “as-cast” intake ports
• 78cc “as-cast” exhaust ports
• 45cc “as-cast” combustion chambers

Tech Specs

Part Number: 12480146
Description: Rough Bare Splay
Casting Number: 10185040
Material: Alum
Port Type: Splayed
Valve Angle: Splay
Chbr CC`s: 45
Int Vlv: 2.200
Exh Vlv: 1.650
Exh Port: Splayed
Plug Type: Angled
Heat Riser: No
Rocker Stud: Shaft
Notes: Rough mach 24502517

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