Twin Power 17-Up M8 Black 4.25 Inch Big Bore Cylinders Pair

486959

Twin Power’s 4.25" Big Bore Cylinders for Milwaukee-Eight engines deliver a significant performance upgrade with precision engineering and durability. These high-quality cast cylinders feature a black textured powder coat finish with highlighted fins and iron liners for strength. They increase 107" engines to 124" and 114" engines to 128", with a direct bolt-on design that requires no machining to crankcases or cylinder heads. The set includes cylinder head dowels and each pair is finish-honed and ready to run, offering a reliable solution for boosting engine power.

Since 1982, Twin Power has been committed to keeping American V-Twin motorcycles on the road with high-quality, durable parts at an affordable price. Twin Power products undergo rigorous testing to meet the demanding standards of V-Twin motorcycles. The brand first gained recognition with kits offering parts and accessories previously only available through Harley-Davidson, quickly establishing Twin Power as a leader in value and quality. This commitment to excellence drives Twin Power to continually innovate, expanding its product lineup to ensure V-Twin riders have access to the best aftermarket parts. From lubricants meticulously formulated with advanced additives to extensive product ranges including engine components and performance upgrades, Twin Power ensures every rider’s bike performs at its best.

Features:

• Sold in pairs
• Bolt-on design
• No machining required
• Black powder coat

Application: 2017+ Harley-Davidson M8 Engines