Engine Kits & Rotating Assemblies

Top End Engine Kit, M8 124 in. Big Bore, Wrinkle Black Finish with Highlighted Fins, 4.250 in., Forged Piston, Harley-Davidson®, Kit

Part Number: SSY-910-0625

Not Yet Reviewed

Estimated Ship Date: Nov 3, 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: Nov 3, 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: Nov 3, 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: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00107

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00111

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00118

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• 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: Nov 3, 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: Nov 3, 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-WR101-162

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 8.80 to 1 Compression, Kawasaki, Kit

Part Number: VPX-WR101-164

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, 0.50mm Over Bore, Stock Stroke, 9.10 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-211

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00063

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-077

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00060

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Complete Engine Rebuild Kit, 0.50mm Over Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00064

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Complete Engine Rebuild Kit, 1.00mm Over Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00065

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15405L00053

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

MASTER KIT- STD

Part Number: MAH-MK2846

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Cyl. Head Serv. Kit, Can Am®, Various 850-1000 Twins, 2013-2020

Part Number: KPM-90-91400

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Chevy, Small Block, Kit

Part Number: ESP-B13101E060

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Chevy, Small Block, Kit

Part Number: ESP-B13202L00053

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Chevy, Small Block, Kit

Part Number: ESP-B13202L04053

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Chevy, Small Block, Kit

Part Number: ESP-B13205L03068

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

BALANCD STREET & STRIP ASSY CHEV 350 1PC

Part Number: ESP-B13201L04053

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order