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KB Performance V-Twin Powersports Piston and Ring Kits KB659C.010
Part Number: UEM-KB659C-010
KB Performance V-Twin Powersports Piston and Ring Kits
PISTON SET
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Estimated Ship Date: Oct 21, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
KB659C.010
Part Type:
Product Line:
Summit Racing Part Number:
UEM-KB659C-010
UPC:
00800745242600
Piston Material:
Forged aluminum
Piston Style:
Dome, with two valve reliefs
Piston Head Volume (cc):
-53.60cc
Bore (in.):
3.625 in.
Bore (mm):
92.100mm
Stroke:
4.500 in.
Rod Length:
7.440 in.
Compression Height (in.):
1.175 in.
Wrist Pin Style:
Floating
Pin Diameter (in.):
0.791 in.
Wrist Pin Retainers Included:
Yes
Top Ring Thickness:
1/16 in.
Top Ring Material:
Iron
Top Ring Facing Material:
Moly
Second Ring Thickness:
1/16 in.
Second Ring Facing Material:
Cast iron
Oil Ring Material:
Stainless steel
Oil Ring Thickness:
3/16 in.
File Fit:
No
Gapless:
No
Gaskets Included:
No
Quantity:
Sold as a kit.
Notes:
Offest wrist pins. Fits 1948-84 Harley Shovelhead. Piston has an anti-friction skirt coating.
KB Performance V-Twin Powersports Piston and Ring Kits
KB Performance V-Twin powersports piston and ring kits bring all of the knowledge and experience of a legendary engine builder to the world of high performance motorcycles. Using the latest manufacturing techniques and standards to ensure quality and maximum available performance, the KB pistons are forged from 4032 aluminum alloy and are available for a wide range of Harley-Davidson® bikes, including 1948-1984 Shovelhead models. Select the size and other options recommended for your application needs.
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