Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 382 Cid., 3.898 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244089816

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod,12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07012

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit ring, H Bearings

Part Number: SUM-R24368983

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244081012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24408205

Not Yet Reviewed

Estimated Ship Date: Tomorrow

PRO STREET ASSEMBLY CHEV 350

Part Number: ESP-62004060

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L0002

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-12008040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-45255

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-B157164080

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Forged Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-47362

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Free Shipping
• Special Order

PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637904075

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Forged Piston, Cast Crank, H-Beam Rods, Ford, Big Block FE, Kit

Part Number: ESP-B158044170

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

PRO STREET ASSEMBLY CHEV 400

Part Number: ESP-62161040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

Competition, Standard Weight Forged Rotating Assembly, Cleveland, Kit

Part Number: SCA-1-46254

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-45010

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Free Shipping
• Special Order

Street Performance, Series 9000 Rotating Assembly

Part Number: SCA-1-94661BI

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Mopar, Small Block, Kit

Part Number: SCA-1-98103BI

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY FORD 351W

Part Number: ESP-14138060

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 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-B16006MS030

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B12111060

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-12305L030

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Big Block, Kit

Part Number: SCA-1-91460BE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Mopar, Small Block, Kit

Part Number: SCA-1-98013BI

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Free Shipping
• Special Order

BALANCED PRO STREET ASSEMBLY CHEV 350

Part Number: ESP-B62303040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Free Shipping
• Special Order