Sale

Engines and Components Pistons and Piston Rings

CP Pistons

CP Pistons Harley Twin Cam, 98 cu in, 3.937 Bore, 4.000 Stroke, 7.667 rod, 10:1 CR, 85cc Head

$491.00 $466.46 Save $24.54

SKU: C00A BHM98-3

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The CP Carrillo BHM98-3 are high-performance 98" (3.937" bore) big bore replacement pistons for 1999-2006 Harley Davidson 88" Twin Cam engines with a 4.0" stroke. These pistons feature a 10.0:1 compression ratio with a +3cc dome and are constructed from 2618 forged and heat-treated alloy for maximum durability and performance. They are designed with forced pin oiling, advanced cam and barrel skirt profiles, and flat ring grooves.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCP Pistons
Part NumberC00A BHM98-3

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy