Availability
Crankshaft, Compstar 8 CTWT, 1-Piece Seal, Forged 4340 Steel, 4.080 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi Gen III, Each
Part Number: CPI-YYA-E1Q-CS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5UO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 Pin, Mopar, Each
Part Number: CPI-GER-62L-CS
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
COMPSTAR LS 8 CTWT CRANK 4.000/2.559/2.100 DRY SUMP
Part Number: CPI-5UO-31Q-CS
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, 2.100 Pin, Each
Part Number: CPI-SAO21A-MG
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMO11A-MG
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5TO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APU-31V-AS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 3.80 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, 8 CTWT, Mopar, Hemi, Gen III, Each
Part Number: CPI-YYK-E1Q-CS
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBO425-CS
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 4.200 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi, Gen III, Each
Part Number: CPI-YY12E48-CS
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.150 in. Stroke, 2.200 Pin, Mopar, Each
Part Number: CPI-GE2-62L-CS
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.760 in. Stroke, 2.200 Pin, Mopar, Each
Part Number: CPI-GE3-65L-CS
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APP-31V-AS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.895 in. Stroke, AMC, 4.0L, Each
Part Number: CPI-S28000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Block, Aluminum, Billet Steel Main Caps, 4.125 Bore, 9.25 in. Deck Height, Hellephant, Mopar, Each
Part Number: CPI-P5160271AA
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engines, Bare Blocks, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, with Studs, Line Honed Main Caps, Dodge, RAM, 6.4L, Each
Part Number: CPI-S0034
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engines, Bare Blocks, Hellcat, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, with OptiTorque Stud Kit, Dodge, 6.2L, Each
Part Number: CPI-S0035
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engines, Bare Blocks, Hellcat, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, with Energy Billet Main Caps, Dodge, 6.2L, Each
Part Number: CPI-S0036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engines, Bare Blocks, Hellcat, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, with Studs, Line Honed Main Caps, Dodge, 6.2L, Each
Part Number: CPI-S0037
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each
Part Number: CPI-BBG42B-MG
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
MAGNUM 8CTWT LS CRANK 4.000 2.5585 2.1000
Part Number: CPI-AWO-31V-MG
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
ULTRA BOOST SB CRANK 3.625 400 2.100
Part Number: CPI-SAH-21-UB
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
CALLIES NOONAN 4.900 BORE SPACING ULTRA BOOST 4.125 / 2.747 / 2.374
Part Number: CPI-F1U-P7-UB
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
CALLIES MAGNUM LS SB CRANK 4.100/2.559/2.100
Part Number: CPI-AP-31V-MG
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
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