Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Piston and Rod Kit, 416 Cid., 4.070 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4007021

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4007521

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400756

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod,, File-Fit Rings 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc

Part Number: SUM-PR400806

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 359 Cid., 3.780 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR407805

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 360 Cid., 3.785 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR407855

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 364 Cid., 3.810 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4081012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080-BK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

HD IN-FRAME KIT

Part Number: CLE-4685149STD

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4685128STD

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4565055STD

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT, STD

Part Number: CLE-4595511STD

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Drop Ship
• Freight Charge
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4595519STD

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4895001STD

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4895004STD

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4895016STD

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, Kit

Part Number: MAN-29220PB

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, Kit

Part Number: MAN-29220UB

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, Kit

Part Number: MAN-29220UBR

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, 3-valve, Kit

Part Number: MAN-29520PB

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, 3-valve, Kit

Part Number: MAN-29520PBR

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, 3-valve, Kit

Part Number: MAN-29520UB

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, 3-valve, Kit

Part Number: MAN-29520UBR

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0092

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0129

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Free Shipping
• Special Order