2020 Engine Kits & Rotating Assemblies

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

Part Number: SSY-910-0702

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

S&S Cycle 2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Highlighted Cylinders

Part Number: SSY-910-0843

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: SSY-910-0847

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

S&S Cycle 2017+ M8 Models 128in Power Pack w/ Chrome Pushrod Tubes - Wrinkle Blk w/ Highlight

Part Number: SSY-310-1103B

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

2017+ M8 Models 4.250in Bore 4.840in Big Bore Cylinder Set - Black Granite w/ Highlight

Part Number: SSY-910-0739A

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY SUBARU EJ25

Part Number: ESP-89113995

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY MITSUBISHI 4B11T

Part Number: ESP-8612186

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Free Shipping
• Special Order

TOP END KIT CERAMIC COMP CYL 47.44/+0.50 11:1 YAM

Part Number: NTI-NX-40098K

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-055

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Engine Rotating Kits, Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Dodge, 428 C.I.D., Hemi Gen III, Balanced, Kit

Part Number: SCA-1-48519BI

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY SUBARU EJ25

Part Number: ESP-89021100

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY SUBARU EJ25

Part Number: ESP-890211005

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY SUBARU EJ25

Part Number: ESP-89021995

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Free Shipping
• Special Order

VERTEX PISTON KIT

Part Number: VPX-24243B

Not Yet Reviewed

• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-081

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/ Highlighted Fins) - 4.320in Bore

Part Number: SSY-910-1008A

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Free Shipping
• Special Order

2017+ M8 Models 132in/136in Big Bore Cyl Kit +8.5cc Dome (Blk Gran w/ Fins) - 4.320in Bore

Part Number: SSY-910-0911A

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Free Shipping
• Special Order

2017+ M8 Model 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/o Fins) - 4.320in Bore

Part Number: SSY-910-0910A

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Free Shipping
• Special Order

Rotating Assembly, Callies Compstar Chevrolet LTX 415 Rotating assembly

Part Number: CPI-40003

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2026 if ordered today

• Free Shipping
• Special Order

Rotating Assembly, Callies Compstar Gen 3 Hemi 426 Rotating assembly

Part Number: CPI-50007

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2026 if ordered today

• Free Shipping
• Special Order

Rotating Assembly, Callies Compstar Chevrolet LTX 416 Rotating assembly

Part Number: CPI-40004

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: SCA-1-48501-0015

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Kits, Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Dodge, 428 C.I.D., Hemi Gen III, Balanced, Kit

Part Number: SCA-1-48525BI

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

• Free Shipping
• Special Order

S&S Cycle 2017 M8 Models 128in CI Oil Cooled w/ Chrome Pushrod Tubes & Highlighted Fins

Part Number: SSY-310-1106A

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

ENGINE PERFORMANCE, 17-18 M8 MODELS, BIG BORE CYLINDER SET BLK

Part Number: SSY-910-0683

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order