KB Pistons

53 products

Created from a high-silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still retaining incredible strength. Browse the range below!

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KB PISTONS

$1,079.99

Features & Benefits:- * Super Duty KB Forged Coated Anodized Piston Kit. * Big bore 120″ piston kit for Milwaukee 8. * Factory 114″ and 117″ cylinders are used to bore to 4.125″. * No head m...

KB PISTONS

$609.99

Features & Benefits:- * Bore = 3.498″ * Stroke = 4.250″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter p...

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KB PISTONS

$594.99

* Bore=3.498″ – Stroke=3.812 * Hypereutectic Alloy is a cast 16% silicon content material * Perfect for air cooled engines * Low thermal expansion rate = tighter piston-to-cylinder clearance Tech ...

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KB PISTONS

$762.99

Features & Benefits:- * Bore = 3.875″ * Stroke = 4.000″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter p...

KB PISTONS

$1,132.99

Features & Benefits:- * Super Duty KB Forged Coated Anodized Piston Kit. * 107ci to Big bore 124″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders * No head modification required ...

KB PISTONS

$1,132.99

Features & Benefits:- * Super Duty KB Forged Coated Anodized Piston Kit. * 114 or 117ci to Big bore 128″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders * No head modification req...

KB PISTONS

$1,132.99

Features & Benefits:- * Super Duty KB Forged Coated Anodized Piston Kit. * 107ci to Big bore 124″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders * No head modification required. ...

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KB PISTONS

$625.99

Features & Benefits:- * Bore = 3.437″ * Stroke = 3.969″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter ...