Revolution Performance 124″ Bolt On Big Bore Kit for ’17-Up Harley Davidson 107 Touring Models – Black w/ highlighted fins

Description

Revolution Performance 124″ Bolt On Big Bore Kit for ’17-Up Harley Davidson 107 Touring Models – Black w/ highlighted fins

• Aerospace-grade all-aluminum cylinders with nickel-silicon-carbide (NSC) electroplated bores
• No sleeving allows for larger bore sizes
• NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan
• True bolt-on kit that delivers major power durability and strength
• Includes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for NSC cylinders and a head/base gasket set
• Replacement gasket sets available separately
• Made in the U.S.A.

NOTE: Upgraded cylinder studs and head bolts required (sold separately).

• BORE SIZE 4.250″
• DISPLACEMENT 124″
• STROKE LENGTH 4-3/8″
• COMPRESSION RATIO 11.2:1