Engine Kits & Rotating Assemblies

COMPETITION ASSEMBLY CHEV 454

Part Number: ESP-11421L060

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Estimated Ship Date: Jan 26, 2026 if ordered today

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BALANCED COMPETITION ASSEMBLY CHEV 350

Part Number: ESP-B12302060

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Estimated Ship Date: Dec 22, 2025 if ordered today

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SBC Forged 427 Balanced Assembly, 4 in. stroke, 350 main, 2 pc. RMS, H-Beam Rod, Forged Piston 11.2:1@ 58cc, 10.5:1@64cc, 10.25:1@67cc, 9.75:1@72cc

Part Number: SUM-SBC427RB125

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Estimated Ship Date: Today

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

Part Number: ESP-B12302L030

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Estimated Ship Date: Feb 9, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B12302030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV 327

Part Number: ESP-12323000

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Estimated Ship Date: Jan 23, 2026 if ordered today

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CHEVY 350 ROTATING ASSEMBLY

Part Number: ESP-12020030

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Estimated Ship Date: Jan 21, 2026 if ordered today

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CHEVY 350 ROTATING ASSEMBLY

Part Number: ESP-12020060

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: SCA-1-47410

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Estimated Ship Date: Feb 12, 2026 if ordered today

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BALANCED PRO STREET ASSY CHEV 4.8/5.3 LS

Part Number: ESP-B627003780

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: SCA-1-40755BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B64003030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: ESP-11013060

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Rotating Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 2-Piece Seal, Chevy, 420, Kit

Part Number: ESP-12032040

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

Part Number: SCA-1-41566

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Estimated Ship Date: Feb 16, 2026 if ordered today

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BALANCED COMPETITION ASSEMBLY CHEV 350

Part Number: ESP-B12311030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: ESP-12008040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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

Part Number: SCA-1-41705BIE

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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

Part Number: SCA-1-45360

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Estimated Ship Date: Feb 12, 2026 if ordered today

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FORD 302 ROTATING ASSEMBLY

Part Number: ESP-14002040

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Estimated Ship Date: Jan 21, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV 350

Part Number: ESP-62004060

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: SCA-1-45255

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Estimated Ship Date: Feb 12, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B157164080

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Estimated Ship Date: Jan 23, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-157074080

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: SCA-1-45010

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Estimated Ship Date: Feb 9, 2026 if ordered today

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