Available: In stock
*This is priced for in-store pick up only! Shipping will be an additional charge. Please call 508-413-2500 before placing your order.*
Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you’ll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!
Features & Benefits
|Stroke||Bore||Cylinder Length||Piston Type||Dome Volume||83cc CNC Heads||85cc Stock Heads||89cc S&S Heads|
|4||4.00"||4.937"||Forged||8.75 pop up||10.8:1||10.5:1||10.1:1|
*Not compatible with S&S 79cc Super Stock® heads
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution