Availability
Bare Blocks, Cast Iron, OEM Style, Standard 10.725 in. Deck, 4.495 in Pre Finished Bore, Main Caps, Main Bearings, Mopar, Each
Part Number: CPI-P5160208AA
Not Yet Reviewed
Crankshaft, Compstar, Forged 4340 Steel, 4.125 in. Stroke, 6.125 in. Rod, Internal Balance, Chevy, LS, 58X Reluctor, Each
Part Number: CPI-APU31QCS
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Connecting Rods, Ultra, H-beam, Forged 4330 Steel, 6.700 in. Length, Floating, Chevy, Big Block, Set of 8
Part Number: CPI-U16230
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Bare Blocks, Cast Iron, OEM Style, Standard 10.725 in. Deck, 4.495 in Pre Finished Bore, Main Caps, Main Bearings, Mopar, Each
Part Number: CPI-P5160213AA
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAJ113-CC
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 400
Part Number: CPI-SAJ213-CS
Not Yet Reviewed
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.500 in. Stroke, 2.200 Pin, Mopar, Each
Part Number: CPI-GEQ-62L-CS
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
REPLACEMENT BOLTS - CALLIES BB ULTRA RODS (ULTRA 160, 7/16" x 1.600" UHL) SOLD AS SET OF 16
Part Number: CPI-BLT160-KIT
Not Yet Reviewed
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.800 in. Stroke, 2.100 in. Pin, Chevy, 400
Part Number: CPI-SAK213-CS
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
CRANKSHAFT
Part Number: CPI-APH31Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 7, 2026 if ordered today
Estimated Ship Date: Jan 7, 2026 if ordered today
Engine Block, Aluminum, Billet Steel Main Caps, 4.125 Bore, 9.25 in. Deck Height, Drag Pak, Mopar, Each
Part Number: CPI-P5160272AA
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APH-31V-AS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBB425-CS
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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: Today
Estimated Ship Date: Today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.335 in. Stroke, 2.000 in. Pin, Chevy, 350
Part Number: CPI-SAX143-CC
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Connecting Rods, Ultra, H-beam, Forged 4330 Steel, 6.125 in. Length, Floating, Chevy, 5.7L LS, Set of 8
Part Number: CPI-U16300
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rod, Ultra Enforcer, Forged 4340 Steel, I-Beam, Cap Screw, ARP L19, Bushed, 6.385 in. Length, Chevy, Big Block, Set of 8
Part Number: CPI-U15210
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Connecting Rods, Compstar, Forged, H-Beam, ARP Cap Screws, Bushed Pin, 6.125 in. Length, Gen 1/2 SB Chevy, Set of 8
Part Number: CPI-A6125DS2A2AH
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Connecting Rods, Compstar, H-Beam, Forged 4340 Steel, 6.657 in. Length, Floating, 12-Point Cap Screw, ARP L19, Ford 5.4L, Set of 8
Part Number: CPI-C24106
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crank, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 350, BB Post
Part Number: CPI-SMJ11A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered 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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Connecting Rods, Ultra XD-Enforcer , I-beam, Forged 4330 Steel, 6.700 in. Length, Floating, Chevy, Big Block, Set of 8
Part Number: CPI-U18214
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Connecting Rods, Compstar, Forged, H-Beam, ARP Cap Screws, Bushed Pin, 6.535 in. Length, Chevy, Set of 8
Part Number: CPI-B6535ES3B9AH
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rod, Compstar, Forged 4340 Steel, H-Beam, Cap Screw, ARP 2000, Bushed, Ford, Modular, 4.6L, 5.0L, Set of 8
Part Number: CPI-C24105
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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