KB Performance Pistons
KB Pistons

KB pistons are made of 390 hypereutectic aluminum alloy which provides better thermal efficiency with less expansion and superior wear resistance. These characteristics give a quieter, more efficient and longer running engine which is ideal for performance applications. KB piston sets come with pins and Hastings rings.
KB Pistons Photo

95" KB Kits For Twin Cams
88" factory barrels are precision bored to 95" and honed to a plateau finish using torque plates. Ready for exchange. Includes black factory barrels, KB pistons, pins and Hastings rings.

Part # Description
PB95F Flat Top Kit for 9.5:1 compression ratio with BC heads
PB95D Domed Top Kit for 10.5:1 compression ratio with BC heads

Click Here for Bore & Hone

KB Pistons for Twin Cam
Includes Hasting rings, pins and assembly lube.

Part # C.I. Piston Type Compression Ratio Info.
KB339 88" Flat Top Compression ratios can vary from 8.5:1 to 11:1 depending on your displacement and chamber volume. Call for assistance with your piston selection.
KB343 88" Dome Top
KB348 95" Flat Top
KB374 95" Dome Top

KB Pistons for EV Heads
Includes Hasting rings, pins and assembly lube.

Part # C.I. Piston Type Compression Ratio Info.
KB258 80" Flat Top

Compression ratios can vary from 8.5:1 to 11:1 depending on your displacement and chamber volume. Call for assistance with your piston selection.

KB305 80" .150 Dome Top
KB266 80" .200 Dome Top

Home | Company Policies | Our Team | Price Sheet
Dyno Results
Fuel Injection | Twin Cam Mods | EVO Head Mods
EVO Sportster | Shovel Head | Iron Sportster Mods
Package Upgrades
Repair Work | Balancing Services | Parts & Labor | Tools & Supplies
WOOD Cams | S&S Gear Drive | KB Pistons
| Aftermarket Heads
Special Projects | BC Shirts & Decals
(916) 638-9008 • Fax (916) 638-0510
Monday-Friday 9am-6pm Pacific
3322 Luyung Drive • Rancho Cordova, CA 95742
All content property of BC Gerolamy © 2009