• Fits in stock chassis, no cutting or frame modifications necessary
• S&S B3 cylinder heads CNC-machined with two-bolt exhaust flanges
• S&S super stock T2 crankcases with reed breather valve three-piece flywheels
• S&S high-flow oil pump and cam cover
• S&S 635 easy-start gear drive cams and 1.725:1 rocker arms for .674" total lift
• S&S premium high-performance tappets
• 4.425" bore x 4-5/8" stroke
• 10.5:1 compression ratio
• Does not include carb/intake or ignition system. Must be purchased separately, see FUEL/AIR SYSTEMS section.
• T143-specific or custom exhaust required.
• Oil line installation kit required.
• NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.

(1) Complete engine assembly

No instructions

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.