PISTON SUPER DUTY BIG BORE TC 96/103 TO 110 10:1 STD 59-8605 Extended coverage: Additional upper arm

Extended coverage: Additional upper arm padding for enhanced roost coverage

Optional Race Tear-Offs (Sold Seperately)

Synthetic suede palm for high levels of durability

so we created the Kinetic helmet to be fashion-forward without spending a fortune

PISTON SUPER DUTY BIG BORE TC 96/103 TO 110 10:1 STD 59-8605 Extended coverage: Additional upper armGen 2 M8,4. 25" Big Bore Cylinders come Powder Coated Black with Machined Fins for that OEM look. Turn your 114 or 117 Ci. M8 motors (inc. Center Cooled motors) into a 128" Big Bore Turn your 107Ci M8 motor into a 124" Big Bore. Compatible with 4. 25" Pistons No crank case machining required Front and rear cylinders are marked for location Sold as a pair Gaskets Purchased Separately No modifications needed when running Cometic Head and Base gasket kit