Availability
4340 Forged Superlight
Part Number: SCA-445405C-3
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each
Part Number: SCA-940050
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-9103750
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each
Part Number: SCA-445420L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Engine Rotating Assembly, Series 9000, Cast Crank, Forges Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: SCA-1-91255
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Connecting Rods,4340, I-Beam, 6.100 Length, ARP 8740 Hardware, LS, Set of 8
Part Number: SCA-26100944
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Dampers, Small Block 400 - 6 3/4" - External
Part Number: SCA-SCA8001
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 5.850 in. Length, Chevy, Small Block, Set of 8
Part Number: SCA-6585021
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Dampers, Small Block 400 - 8" - External
Part Number: SCA-SCA8003
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-735056
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, Small Journal, 6.125 in. Length, Chevy, Small Block, Set of 8
Part Number: SCA-6612520
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, Forged 4340, Internal Balance, 4.750 in. Stroke, 6.700 Rod, Chevy Big Block, 8.1L, Each
Part Number: SCA-481030
Not Yet Reviewed
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each
Part Number: SCA-910400
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each
Part Number: SCA-735076
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each
Part Number: SCA-440086
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.250 in. Length, Chevy, Small Block, Set of 8
Part Number: SCA-6625021
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: SCA-1-90005BI
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, Forged 4340 Steel, Pro Sport H-Beam, 6.100 in. Length, ARP L19 Bolts, Chevrolet, LS, Set of 8
Part Number: SCA-66100927L19
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435061LW
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Connecting Rods, 4340, I-Beam, Thru-Bolt, 5.7 in. Length, Chevy, Small Block, Set of 8
Part Number: SCA-35700
Need It Sooner? We recommend these similar substitute parts:
Crankshaft, Forged 4340 Steel, Std. Weight, 3.75 in. Stroke, Chevy, 350, 2-Piece Seal, Internal Balance, Each
Part Number: SCA-435050
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, H-beam, Forged 4340 Steel, Shot-peened and Tumbled, Floating, 6.000 in. Length, Chevy, Small Block, Set of 8
Part Number: SCA-6600021SA
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rod Bushings, Bronze, 0.927 in. I.D., Chevy, Each
Part Number: SCA-B927
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.800 in. Length, Chevy, Big Block, Set of 8
Part Number: SCA-6680022
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435051LW
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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