Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.080 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0802

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9033

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 402 Cid., 4.000 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400008

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

• Free Shipping

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-031

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00107

Not Yet Reviewed

Estimated Ship Date: Jul 18, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00109

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00118

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00119

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD OVERHAUL KIT

Part Number: CLE-4861004STD

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT, STD

Part Number: CLE-4595021STD

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Top End Engine Kits STANDARD BORE KIT HI COMP STANDARD BORE KIT HI COMP

Part Number: CLW-60001-K01HC

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS RZR 800

Part Number: CLW-61002-K01

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

PERFORMANCE, 131" KIT - BLACK FINS M8

Part Number: SSY-910-0763

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

128" BIG BORE KIT M8 BLK

Part Number: SSY-910-0733

Not Yet Reviewed

Estimated Ship Date: Jul 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Garage Buddy Engine Rebuild, Bashee

Part Number: WIS-PWR100-655

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Garage Buddy Engine Rebuild, Banshee

Part Number: WIS-PWR100-660

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0687

Not Yet Reviewed

Estimated Ship Date: Jul 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0178

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

S&S Cycle 84-99 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Natural

Part Number: SSY-91-7207

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.80 to 1 Compression, KTM, Kit

Part Number: VPX-WR00031

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00047

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 9.20 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-135

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00028

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.80 to 1 Compression, KTM, Kit

Part Number: VPX-WR00030

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-141

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order