CP Carrillo High Performance SE 131" (4.310" bore) replacement pistons for Harley Davidson Milwaukee-8 SE 131" Screamin Eagle crate engines and 131" Screamin Eagle big bore kits.
Manufactured to be the best performance piston available. Constructed from from 2618 forged and heat treated alloy, held to the most detailed inspection and tolerances featuring forced pin oiling, advanced cam and barrel skirt profiles, and the flattest ring grooves possible. Pistons work with stock tapered or aftermarket H-beam rods.
Available in the following configurations :
M5120 -9.6cc flat top 11.25 compression with OEM style 89cc heads (10.8:1 with SE Extreme CNC heads)
M5121 -4.8cc dome 11.65 compression with OEM style 89cc heads (11.25:1 with SE Extreme CNC heads)
M5122 +0.3cc dome 12.0 compression with OEM style 89cc heads (11.75.0:1 with SE Extreme CNC heads)
Includes: