Kb Pistons Super Duty Piston - BIG Bore TC 96/103 TO 117 10:1 +.010 — Harley-Davidson Road King, Electra Glide Ultra Classic, Street Glide (2007-2017)

KB Pistons Super Duty piston set for Big Bore Twin Cam 96/103 to 117 cubic inch displacement with 10:1 compression ratio. Sold as a pair with premium Hastings rings, wrist pins, and locks—ready to install.

Features

• Anodized top ring groove and crown
• Line2Line Abradable skirt coating (.003" thickness) for zero initial clearance and tight, quiet running
• Round wire wrist pin locks
• Premium Hastings 1.2mm 1.2mm 3.0mm Steel Nitride top ring with Ductile Napier second ring
• Forced wrist pin oiling
• Flat-top design with 1.2cc valve pockets for 1mm oversize valves
• All rings, wrist pins, and locks included per pair

Specifications

• Brand: KB Pistons
• Manufacturer Part #: KB662LCA.010
• UPC: 800745248077
• Compression Ratio: 10:1
• Bore Size: Big Bore TC 96/103 to 117 cu in
• Compression Height: 1.083 in
• Displacement Range: 96 to 117 cubic inches
• Quantity: Pair (2 pistons)
• Weight: 2.5 lbs
• Country of Origin: Mexico

Fitment

Fits Twin Cam 96, 103, and big bore stroker builds up to 117 cubic inches with 10:1 compression ratio. Part number KB662LCA.010 is specific to this displacement and compression spec.

Frequently Asked Questions

What's included in this pair?

Two pistons, four rings (top and second per piston), two wrist pins, four wrist pin locks, and all hardware—everything needed to build the top end.

Do I need a hone or boring job before installing?

The Line2Line Abradable skirt coating is designed to zero-fit initially and hone in during the break-in period for a tight running clearance. Standard honing to the bore size is required per the manufacturer's spec sheet.

Will this fit my stroker 117?

Yes — this piston is designed for big bore and stroker builds from 96 to 117 cubic inches at 10:1 compression ratio.

Are the rings included?

Yes. Each pair includes premium Hastings Steel Nitride top rings and Ductile Napier second rings ready to install.

Can I use 1mm oversize valves with this piston?

Yes — the valve pockets are sized to accommodate 1mm oversize valves without interference.