Kb Pistons Forged Alloy Piston - Pistons Tc88 TO 95ci 10.5:1 .010 — Harley-Davidson Road King, Road King Classic, Electra Glide (1999-2007)

KB Pistons forged alloy piston set for Twin Cam 88 to 95ci engines, machined from 4032 forged alloy with 11% silicon content for superior crack resistance under detonation and pre-ignition. Built for street and race use with power adders like NOS or supercharger boost.

Features

• 4032 forged alloy with 11% silicon content
• Superior crack resistance under detonation
• Coated skirts on all Twin Cam applications
• Includes rings, wrist pins, and wrist pin locks
• Sold as a pair

Specifications

• Brand: KB Pistons
• Manufacturer Part #: KB906C.010
• UPC: 800745152800
• Compression Ratio: 10.5:1
• Oversized: .010
• Material: 4032 forged alloy
• Weight: 2.6 lbs per pair
• Country of Origin: Mexico

Fitment

Twin Cam 88 to 95ci displacement engines suited for street and race applications with power adders.

Frequently Asked Questions

What's included with these pistons?

Rings, wrist pins, and wrist pin locks are included. Note: you'll need to order 2 wrist pin locks per piston.

Are these pistons suitable for forced induction?

Yes — the 4032 alloy with 11% silicon provides superior crack resistance, making them well-suited for NOS and supercharger applications.

Can I get replacement rings separately?

Replacement rings are available as a special order through KB Pistons.

What's the oversized measurement on these pistons?

These pistons are .010 oversized, requiring a .010 overbore of the cylinders during installation.