CP Carrillo High Performance 98" (3.937" bore) big bore replacement pistons for 1999-2006 Harley Davidson 88" Twin Cam engines with 4.0" stroke
Manufactured to be the 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. Specs below assume stock 86cc head volume unless noted otherwise. Pistons work with stock tapered or aftermarket H-beam rods.
Available in the following configurations for 99-06 Twin Cam engines with 4.0" stroke:
BHM98-3 10.0:1 compression, +3cc dome
BHM98-6 10.25:1 compression, +6cc dome
BHM98-10 10.75:1 compression, +10cc dome
Includes: