Engines & Components

4.250" stroke, internal balance, forged 4340 steel, Chevrolet Gen III "LS"

Part Number: ESP-434742506560

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Pulley Kit, Revolver, Serpentine, Aluminum, Black Powdercoated, Chevy, Small Block, Kit

Part Number: MCH-21110-08

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi, Gen III, Each

Part Number: CPI-YYKE18-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR MODERN HEMI CRANK 4.000 2.559 2.100

Part Number: CPI-YYOE18-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Crankshaft, Compstar, Sport Series, Full Counterweight, Billet 4340 Steel, 3.465 in. / 88 mm Stroke, Mitsubishi, 4G63, 6 Bolt, Each

Part Number: CPI-S23013

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR LT CRANK 3.750/2.559/2.100

Part Number: CPI-5TJ-31Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR LS 8 CTWT CRANK 3.625/2.559/2.100 DRY SUMP

Part Number: CPI-5UH-31Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Crankshaft, Compstar 4340 Forged, 3.750 Stroke, 8-bolt Flange, Internal Balanced, Includes 58-tooth GM Reluctor, Each

Part Number: CPI-5UJ31Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR LS CRANK 4.100/2.559/2.100

Part Number: CPI-AP-31Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR LS CRANK 4.013/2.559/2.00 58X

Part Number: CPI-AP2834Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR LS 8 CTWT CRANK 3.900/2.559/2.100

Part Number: CPI-APC-31Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR 8 CTWT LS1 CRANK 3.625 2.559 2.00

Part Number: CPI-APH-34Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR 8 CTWT LS1 CRANK 3.875 2.559 2.00

Part Number: CPI-APM-34Q-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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CRANKSHAFT COMPSTAR

Part Number: CPI-APP317-CS24

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Estimated Ship Date: Jan 26, 2026 if ordered today

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CRANKSHAFT COMPSTAR

Part Number: CPI-APP317-CS58

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR BB CRANK SPEC/2.750/2.100

Part Number: CPI-BBZ-435-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Crankshaft, Compstar, Sport Series, Full Counterweight, Billet 4340 Steel, 3.937 in. / 100 mm Stroke, Mitsubishi, 4G63, 6 Bolt, Each

Part Number: CPI-S23015

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPSTAR BB CRANK 4.750/2.750/2.200 1PC SEAL

Part Number: CPI-IBS-425-CS

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Crankshaft

Part Number: SCA-445426L

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Chevy, Small Block, Kit

Part Number: ESP-B13101L03068

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Estimated Ship Date: Nov 10, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B13305E040

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: ESP-B13054E040

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ROTATING ASSEMBLY

Part Number: ESP-B13054L00053

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Street & Strip assembly, 377 cid, KB -18CC

Part Number: ESP-B13054L00068

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Street & Strip assembly, 383 cid, KB -18CC

Part Number: ESP-B13054L03068

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Estimated Ship Date: Nov 10, 2025 if ordered today

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