Availability
Pulleys, Sport Track, Serpentine, Standard Ratio, Billet Aluminum, Black Powdercoated, Chevy, Big Block, Kit
Part Number: MCH-23690-08
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Cylinder Heads, Freedom, Aluminum, Assembled, 72 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair
Part Number: PMX-2119
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each
Part Number: SCA-440910
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15405E000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, Assembled, Aluminum, 64cc Chamber, 185cc Intake, Angle Plug, Hyd, Flat, Chevy, SBC, Pair
Part Number: PMX-2168
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-13010030
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Cylinder Heads, E-Street, 15-Degree, for GM LS3, with 0.660 in. Lift, Aluminum, Assembled, Chevy, Pair
Part Number: EDL-77618
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15455E060
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair
Part Number: PMX-9218A
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Cylinder Heads, Assembled, Cast Iron, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair
Part Number: PMX-2151
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Cylinder Heads, IK 180, Aluminum, Assembled, 70cc Chamber, 180cc Intake Runner, Chevy, 327, 350, 400, Pair
Part Number: BRO-1021003
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Today
Cylinder Heads, E-Street, 15-Degree, for GM LS3, with 0.570 in. Lift, Aluminum, Assembled, Stainless Steel Valves, Chevy, Pair
Part Number: EDL-77620
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
This product may not be eligible for select promotional offers
Cylinder Head, Dragon Slayer, Aluminum, Bare, 68cc Chamber, 225cc Intake Runner, Chevy, Small Block, Pair
Part Number: BRO-1320000
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
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 31, 2025 if ordered today
Estimated Ship Date: Dec 31, 2025 if ordered today
Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair
Part Number: PMX-9187S
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Crankshaft, One-piece Seal, Internal Balance, Forged Steel, 3.622 in. Stroke, Cadillac, Chevy, 6.2L, Each
Part Number: NAL-12641691
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 1 pc Seal, 5.7L, Kit
Part Number: ESP-B15505L00068
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.385 Rod, Chevy, 454, Each
Part Number: SCA-445425
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15405L04068
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Chevy big block, forged, 4.375 stroke, w/ center counterweights
Part Number: MAN-190320
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: SCA-1-91055
Estimated Ship Date: Today
Estimated Ship Date: Today
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