Availability
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each
Part Number: ESP-434640006100
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Cylinder Heads, Assembled, Aluminum, 64cc Chamber, 185cc Intake, Angle Plug, Hyd, Flat, Chevy, SBC, Pair
Part Number: PMX-2168
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Cylinder Head, Assembled, Cast Iron, OEM, Chevrolet, Duramax Diesel, V8, LB7, Each
Part Number: PPE-110100101
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each
Part Number: ESP-434736226100
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Chevy, 454, Each
Part Number: SCA-445425C
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, 5.7, 6.0L, Each
Part Number: ESP-434636226100
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Cylinder Heads, Freedom, Aluminum, Assembled, 72 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair
Part Number: PMX-2119
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair
Part Number: PMX-9186S
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each
Part Number: ESP-435038756000
Not Yet Reviewed
Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030620
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Cylinder Heads, Maxx Series, Assembled, Aluminum, 183cc Intake Runner, D-port, Chevy, 302, 327, 350, 400, Pair
Part Number: PMX-9183
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, 6.535 Rod, Chevy, 454, Each
Part Number: SCA-445430
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS362224
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15404E040
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Pulleys, Serpentine, Performance Ratio, Narrow Mount, Billet Aluminum, Black Powdercoated, Chevrolet, LS, Kit
Part Number: MCH-19925-08
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-13202L000
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15404E060
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Cylinder Heads, Assembled, Cast Iron, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair
Part Number: PMX-2151
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Cylinder Head, Early Model/Vortec, Assembled, Cast Iron, 66cc Chamber, 185cc Intake Runner, Rectangular Ports, Straight Plugs, Chevy, Small Block,Each
Part Number: NAL-19331470
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal/External Balance, Forged 4340 Steel, 4.500 in. Stroke, Large Snout, Chevrolet, 7.4L, Each
Part Number: CPI-BBQ425-CS
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each
Part Number: SCA-445410L
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Crankshaft, Standard Weight, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, Chevy, 6.0L, 6.2L, 7.0L
Part Number: SCA-4LS141265
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 345cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030630
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 6.0L, Each
Part Number: ESP-434740006100
Not Yet Reviewed
Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal, External Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-435010L
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
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