Engines & Components

CYLINDER HEADS PAIR

Part Number: PMX-2181HR

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Crankshaft, 1-piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, 2.100 in. Pin, Chevy, Each

Part Number: SCA-4LS141262

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542106625

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Crate Engines, Pro Series Chevy LS 427 C.I.D. 625 HP EFI, Long Block, 7.0L/427, Assembled, No Intake/ECU, Chevrolet, Small Block LS, 58X Reluctor,Each

Part Number: MLL-PSLS4272CTF

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft, 2-Piece Seal, Internal Balance, 4340 Steel, 4.150 in. Stroke, Ford, 460, Each

Part Number: SCA-44604150

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Cyl Head, OLDS 307 80-84 CYL HEAD

Part Number: VRE-2O06

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.150 in. Stroke, Internal Balance, Chrysler, 383, 400, Each

Part Number: SCA-438320

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Estimated Ship Date: Feb 11, 2026 if ordered today

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CRANKSHAFT

Part Number: SCA-4LT541265

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.140 in. Stroke, Ford, 429, 460, Each

Part Number: ESP-446041402200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, 2.249 Rod Bearings, Each

Part Number: ESP-440042106625

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Estimated Ship Date: Jan 13, 2026 if ordered today

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BB Ford 460 Forged Steel crank, 4.150 Stroke, Designed for 6.700 in. Rod, Nitride Hardened, Straight Shot oiling, Req's narrowed Rod Bearings

Part Number: SUM-BBF460415067

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Cylinder Heads, Freedom Series Small Block Chevy Heads, Assembled, Aluminum, 64cc Chamber, 225cc Intake, Angle Plug, Chevrolet, Small Block, Pair

Part Number: PMX-2116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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CRANKSHAFT-CHEVY LT1 4.000

Part Number: MAN-194258

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190158

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190124

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 64cc Chamber, 190cc Intake Runner, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2180

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4426013

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Crankshaft, One-piece Seal, Internal Balance, Forged Steel, 3.622 in. Stroke, Chevy, 6.2L, Each

Part Number: NAL-12674743

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Estimated Ship Date: Mar 30, 2026 if ordered today

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FORGED CRANKSHAFT

Part Number: SCA-4LT540065

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Crankshaft 4-LS7-4000-6125-58, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS740065

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445415C

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620

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Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 6.700 Rod, Chevy, 454, Each

Part Number: SCA-445440

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445420L

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Estimated Ship Date: Feb 12, 2026 if ordered today

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