Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR409035

Not Yet Reviewed

Estimated Ship Date: Today

• 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: Today

• Free Shipping

Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360402

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Pro LS Piston and Rod Kit, 326 Cid., 3.785 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR367857

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

ROATING ASSEMBLY

Part Number: SCA-1-91205BISTD

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

ROTATING ASSEMBLY

Part Number: SCA-1-91205BI040

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

HD OVERHAUL KIT

Part Number: CLE-4861004STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 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: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00119

Not Yet Reviewed

Estimated Ship Date: Nov 12, 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 24, 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 24, 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: Nov 24, 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 24, 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 24, 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 24, 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 24, 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 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-166

Not Yet Reviewed

Estimated Ship Date: Nov 24, 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 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BIG BORE KIT

Part Number: CLW-61002-K02

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00107

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00118

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-184

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-185

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order