Description

Features

• For non-balanced Twin Cam models
• Converts a stock engine to 124″ using the stock crankcases
• Include S&S Super Stock® 91 cc cylinder heads , 4.125” bore cylinders, forged big bore flattop pistons, S&S 4.625” stroke flywheel assembly, S&S 640 gear drive Easy Start cams, S&S premium tappets, S&S adjustable pushrods, roller rocker arms, and all hardware, gaskets and instructions
• Made in the USA

Notes

• Not for ’06 Dyna.
• EFI system must be recalibrated.
• Fuel or ignition system not included.
• All clearances and assembly specifications will need to be checked.
• Although the engine is 0.960″ taller than stock, there are no frame clearance problems, and a stock EFI throttle body will fit because the manifold mounting surfaces of the heads have been specially machined to fit a stock length manifold.

DISCLAIMER: Not legal for sale or use in California on any pollution controlled motor vehicles.

Specs