KB Performance V-Twin Piston and Ring Kits KB909C.040

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Part Number: UEM-KB909C-040

$258.99

Powersports Piston, Forged 4032 Alloy, Coated, 3.915 in. Bore, 1.086 in. Comp. Ht, Dome, -5.4cc, 0.040 in. Oversize, 0.927 in. Pin, Harley®, Set
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KB Performance V-Twin Piston and Ring Kits KB909C.040

KB Performance V-Twin Piston and Ring Kits KB909C.040

UEM-KB909C-040

Not Yet Reviewed

Part Number: UEM-KB909C-040

Estimated Ship Date: Dec 21, 2026

$258.99

Estimated Ship Date: Dec 21, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
KB909C.040
Part Type:
Product Line:
Summit Racing Part Number:
UEM-KB909C-040
Item Number:
4652591
UPC:
800745254498
Bore (in.):
3.915 in.
Bore (mm):
99.441mm
Piston Material:
Forged aluminum
Wrist Pin Style:
Floating
Quantity:
Sold as a set.
Notes:
Features coated construction, plus front and rear design for 103 c.i.d. Twin Cam 96 Big Bore. Designed for use with stock 85cc or 95cc Screamin Eagle cylinder heads.

KB Performance V-Twin Piston and Ring Kits

KB Performance V-Twin piston and ring kits bring all of the knowledge and experience of a legendary engine builder to the world of high performance motorcycles. These pistons use the latest manufacturing techniques and standards to ensure quality and maximum available performance. The kits are offered in hypereutectic 390 alloy and forged 4032 low-expansion alloy. KB Performance V-Twin piston and ring kits are available for Harley-Davidson® and Indian motorcycles in a variety of engine sizes and compression ratios.

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Some parts are not legal for use in California or other states with similar laws / regulations

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This product can expose you to chemicals including lead and nickel, which is known to the state of California to cause cancer and birth defects or other reproductive harm.

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