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Pro-X Racing Parts Piston Kits for 2020 KX250 - 01.4350.B

ProX Piston Kit KX250 '20 14.2:1 (77.97mm)

Part Number: PXR-01-4350-B

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP406012

Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP406012

Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406012

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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP390516

Piston Rings, Pro GPX Gas Ported, 3.905 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP390516

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Summit Racing™ Hi-Performance Cam Bearings SUM-1737018-5

Cam Bearings, Hi-Performance, Steel-Backed Babbitt, Full Grooved Upper and Lower, 70mm x 18mm, 3 Oil Holes, Dodge, Plymouth, Set of 5

Part Number: SUM-1737018-5

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Summit Racing™ Race Series Rod Bearing Sets SUM-634HD010

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBF 302 Windsor, Doweled, .010 undersize (thicker), set

Part Number: SUM-634HD010

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Cloyes Race Billet True Roller Timing Sets 9-3622X9-5

Timing Set; Original Billet True Roller Timing Set; 0.005 Reduced Center Distance;Incl. Cam Sprocket; 9 Keyway

Part Number: CLO-9-3622X9-5

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Summit Racing™ Race Series Main Bearing Sets SUM-829HC010

Main Bearings, Race Series Main Bearing Sets, 0.010 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5

Part Number: SUM-829HC010

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Total Seal CR Classic Race Piston Rings CRH2010 5

Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CRH2010-5

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Pro-X Racing Parts Piston Kits 01.2321.C

ProX Piston Kit YZ250 '99-22 + RM250 '03-12 (66.37mm)

Part Number: PXR-01-2321-C

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11398-8

Valves, Intake, Stainless Steel, 2.080 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8

Part Number: MAN-11398-8

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

ACL Performance Race Series Rod Bearing Sets 6B2960HC-025

NissanRB25DE, RB25DET 2.5L Inline 6RB26DETT 2.6L Inline 6Tri-Metal Coated - .025mm .001" undersize

Part Number: PEB-6B2960HC-025

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Total Seal CR Classic Race Piston Rings CR6124 30

Piston Rings, Plasma-moly, 92.761mm Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 4-Cylinder, Set

Part Number: TSR-CR6124-30

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Total Seal CR Classic Race Piston Rings CR1006 65

Piston Rings, Plasma-moly, 4.110 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR1006-65

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Summit Racing™ Restoration Engine Hardware Kits SUM-RP80378

Master Engine Hardware Kit, 1970 Mopar, 340-6V, Complete OE Style Engine Fastener Kit In One Package, 139 Piece Kit

Part Number: SUM-RP80378

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Summit Racing™ Race Series Main Bearing Sets SUM-1010HC-010

Main Bearing, Ford 302 351 Cleveland stroker using SBC Rod .010 Undersize Coated, Set

Part Number: SUM-1010HC-010

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Summit Racing™ Race Series Rod Bearing Sets SUM-481H001

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, Mopar SB, .001 undersize (thicker), set

Part Number: SUM-481H001

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Pro-X Racing Parts Piston Kits 01.5806.A

ProX Piston Kit Polaris Sportsman 800 EFI '05-15 (79.95mm)

Part Number: PXR-01-5806-A

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Pro-X Racing Parts Piston Kits for 1996-1997 360 SX - 01.6397.B

ProX Piston Kit KTM360SX-EXC '96-97 (77.95mm)

Part Number: PXR-01-6397-B

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Pro-X Racing Parts Piston Kits 01.5913.B

ProX Piston Kit Polaris RZR900/1000 '14-21 (92.96mm)

Part Number: PXR-01-5913-B

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Howards Cams ProMax 2618 Race Pistons 841200603R

Pistons, SB Chev, DM, 4.125"

Part Number: HRS-841200603R

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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP408010

Piston Rings, Pro GPX Gas Ported, 4.080 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP408010

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Summit Racing™ Race Series Main Bearing Sets SUM-2505HS

Main Bearing, Nissan VQ35HR, VQ37VHR, VR30DDTT, VR38DETT, VR30DDTT S, Set

Part Number: SUM-2505HS

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Kibblewhite Lightweight Racing Valve Spring Kits 20-20450

Valve Springs, Lightweight Racing, Dual, Steel Retainers, Steel Locks, Harley-Davidson®, Kit

Part Number: KPM-20-20450

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Manley Race Master Valves 11899-8

Valve, Exhaust, Race Master, Stainless Steel, 1.880 in. Diameter, 0.3415 in. Stem, 5.170 in. Length, Set of 8

Part Number: MAN-11899-8

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP442016

Piston Rings, Pro GPX Gas Ported, 4.420 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP442016

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