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120R-124 KIT

120R-124 KIT

This 120R-124 kit upgrades the fully CNC ported head from Harley-Davidson. We install oversized, high flow valves and enlarge the inlet to 1.800, increasing the flow and velocity of the head. Your stock 120” cylinders are bored to 4.125” making your motor a 124”. Pair this with one of our cams and our custom 20° angle pistons to get the most out of your performance motor. Cam selection is based on your desired performance and riding style needs.

$2,618.96

*Price does not include NC Sales Tax or shipping

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