T-Man Performance
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Big Bore Kits

T-Man Performance offers a variety of big bore kits for Harley-Davidson motors. We have cylinder and piston kits for M8, Twin Cam and 120R engines. Click below to see what we have for your motorcycle.

M8 Big Bore Kit | Big Bore Kits | T-Man Performance
120R Big Bore Kit | Big Bore Kits | T-Man Performance
Twin Cam Big Bore Kit | Big Bore Kits | T-Man Performance

T-Man Performance products will not be sold to California.

About Us

T-Man Performance offers a full line of custom-made, high-performance parts such as camshafts, pistons, head breathers, no loss air cleaners and much more.

Hours & Location

Mon-Fri, 8am-5pm ET
205 Pitts St., Kernersville, NC 27284

Get In Touch

(336) 993-7068
cierra@tmanperformance.com