S&S CYCLE 132" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 310-1237

If you're running a 114" or 117" M8 and want genuine power gains without a complete engine rebuild, the S&S Cycle 132" Power Package delivers displacement increase, optimized breathing, and reliable cooling in one bolt-together kit. This is purpose-built performance that respects your existing investment—you keep your original engine serial numbers, retain stock engine height, and work with your existing crankcase. Whether you're chasing dyno numbers or seat-of-the-pants acceleration, a properly matched 132" platform with independent scavenging and performance cam specs makes a measurable difference.

• 132 cubic inch displacement
• Fits 114" and 117" M8 engines
• Big bore cylinders, matched
• Performance 550 cam included
• Chain drive configuration
• Oil-cooled system
• Highlighted fin design
• Adjustable pressure relief valve
• S&S conical spring design
• MLS head gaskets
• Independent scavenge sections
• Debris screen pickups
• Magnet in cam chest
• Retains stock height
• Retains serial numbers
• Removable passage plugs
• Works stock crankcase
• Includes cam cover badge
• Made in USA
• MPN: 310-1237