Engine Kits & Rotating Assemblies

S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Wrinkle Black

Part Number: SSY-910-0699

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 00-21 Sportster Models 1200cc to 1250cc Hooligan Kit - Silver

Part Number: SSY-910-0702

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

PISTONS, S&S 106" BIG BORE HOT SETUP KT

Part Number: SSY-900-0354

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 2017+ M8 Models 4.5in Stroke 132in Big Bore Kit

Part Number: SSY-910-0845

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0846

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

CRANKSHAFT, M8 FLYWHEEL 4-3/8" TAPERED

Part Number: SSY-320-0601

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 79-84 BT 88in Sidewinder 3-5/8in Big Bore Cylinder Kit - Gloss Black

Part Number: SSY-91-9001

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 66-78 74in BT & Stock Bore Strokers 3-7/16in Bore Cylinders - Gloss Black

Part Number: SSY-91-9011

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 84-99 BT 4 1/8in Bore Cylinder & Pistons Kit For S&S V124 Engine - Wrinkle Black

Part Number: SSY-910-0224

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 07-16 BT 124in Standard Compression 4-1/8in Big Bore Kit - Stone Gray

Part Number: SSY-910-0469

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

S&S Cycle 07-17 BT 117in Big Bore Cylinder Kit - Stone Gray

Part Number: SSY-910-0474

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, 58-Tooth Reluctor Wheel, 4340 Forged Crank, Forged Pistons, I-Beam Rods, Chevrolet, LS Engine, Kit

Part Number: SCA-1-43706BI

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

REAR MAIN SEAL

Part Number: ESP-62103030

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY W 157 FLPLT

Part Number: ESP-B1612503057

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY W 164 FLXPLT

Part Number: ESP-B1612503064

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-B16351EA000

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLT

Part Number: ESP-B1652504064

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-B1652604064

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Big Block, Kit

Part Number: ESP-B18000070

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-B18021070

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-B18320060

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-18321030

Not Yet Reviewed

Estimated Ship Date: Nov 3, 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-B13004L04053

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-B13007L04068

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Cast Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: ESP-B16006LA030

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Free Shipping
• Special Order