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Vertex Big Bore Piston Kits

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Vertex offers Big Bore piston kits for a variety of applications, including Kawasaki off-road bikes from the 1990s and up. All pistons are heat-treated with a T-5 h
Vertex offers Big Bore piston kits for a variety of applications, including Kawasaki off-road bikes from the 1990s and up. All pistons are heat-treated with a T-5 hardening and tempering cycle, and all piston skirts are coated with a high-tech molybdenum disulphite coating for faster break-in time and increased piston life. Cast piston kits are gravity cast aluminum alloy (not forged) with 18 percent silicone content—which produces an extremely light but very strong piston. Forged pistons are forged from 2618 aluminum for superior strength and durability. Forged high-compression pistons improve power and torque acros
Vertex offers Big Bore piston kits for a variety of applications, including Kawasaki off-road bikes from the 1990s and up. All pistons are heat-treated with a T-5 hardening and tempering cycle, and all piston skirts are coated with a high-tech molybdenum disulphite coating for faster break-in time and increased piston life. Cast piston kits are gravity cast aluminum alloy (not forged) with 18 percent silicone content—which produces an extremely light but very strong piston. Forged pistons are forged from 2618 aluminum for superior strength and durability. Forged high-compression pistons improve power and torque across the entire RPM range. Big Bore pistons increase engine displacement, torque, and peak horsepower. Forged Replica pistons are forged OE replacements. Replica pistons and all rings are OEM replacements.

Results 1 - 25 of 27

Piston and Ring Kit, Big Bore, Forged Aluminum, 98.000mm Bore, 11.70 to 1 Compression, Suzuki, Kit

Part Number: VPX-23521B

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Estimated Ship Date: Today

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Estimated Ship Date: Today

Piston and Ring Kit, Big Bore, Forged Aluminum, 97.000mm Bore, 10.50 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-23531B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 105.000mm Bore, 10.00 to 1 Compression, Yamaha, Kit

Part Number: VPX-23967B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 91.000mm Bore, 9.30 to 1 Compression, Kawasaki, Kit

Part Number: VPX-24026B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 105.000mm Bore, 9.20 to 1 Compression, Yamaha, Kit

Part Number: VPX-23626A

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 91.000mm Bore, 9.00 to 1 Compression, Kawasaki, Kit

Part Number: VPX-23910A

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 105.000mm Bore, 9.20 to 1 Compression, Yamaha, Kit

Part Number: VPX-23626B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX BIG BORE PISTON KIT

Part Number: VPX-23910B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX PISTON KIT PART NO.

Part Number: VPX-23645A

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX PISTON KIT PART NO.

Part Number: VPX-23645B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 82.000mm Bore, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-23645C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 80.000mm Bore, 13.20 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-23653A

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX FORGED BIG BORE PISTON KIT

Part Number: VPX-24461B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX PISTON KIT

Part Number: VPX-23335A

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 91.000mm Bore, 9.30 to 1 Compression, Kawasaki, Kit

Part Number: VPX-24026A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 98.000mm Bore, 10.60 to 1 Compression, Polaris, Kit

Part Number: VPX-23834A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 98.000mm Bore, 10.60 to 1 Compression, Polaris, Kit

Part Number: VPX-23834B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 98.000mm Bore, 10.60 to 1 Compression, Polaris, Kit

Part Number: VPX-23834C

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Cast Aluminum, 52.500mm Bore, Yamaha, Kit

Part Number: VPX-23628B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 98.000mm Bore, 10.50 to 1 Compression, Polaris, Kit

Part Number: VPX-24029A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX PISTON KIT

Part Number: VPX-23405B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX BIG BORE PISTON

Part Number: VPX-23654B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 68.000mm Bore, 11.70 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-23868A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Piston and Ring Kit, Big Bore, Forged Aluminum, 80.000mm Bore, 13.50 to 1 Compression, Kawasaki, Kit

Part Number: VPX-23654A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

VERTEX FORGED BIG BORE PISTON KIT

Part Number: VPX-24461A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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