Availability
Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit
Part Number: PQX-1000323
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each
Part Number: ADO-12556127
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 4-Bolt Main, with Windage Tray, Chevy, Big Block, Kit
Part Number: ARP-235-5606
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifter Valley Cover, Finned, Aluminum, Polished, Chevy, LS, Each
Part Number: SUM-240065-POL
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifter Valley Cover, Finned, Aluminum, Natural, Chevy, LS, Each
Part Number: SUM-240065-SAT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN CAP 8620 STEEL FOR RHS LS Alumiunum Race Blocks
Part Number: EDL-549100-1
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
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, Large Journal, 2-Bolt Main, Chevy, Small Block, Kit
Part Number: PQX-1035022
Not Yet Reviewed
Estimated Ship Date: Feb 4, 2026 if ordered today
Estimated Ship Date: Feb 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, Large Journal, 4-Bolt Main, Chevy, Small Block, Kit
Part Number: PQX-1035042
Not Yet Reviewed
Estimated Ship Date: Feb 4, 2026 if ordered today
Estimated Ship Date: Feb 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Oil Cooler Block-Off Plate, Billet Aluminum, Clear Anodized, 1/8 in. NPT Port, Chevy, LS, Each
Part Number: SUM-121026
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Side Bolts, 6-Bolt Main, 12-Point Head, 10mm Side Studs Only, Chevy LS, Kit
Part Number: PQX-1000099
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Turbocharger Diverter Valve, DV Plus Diverter Valve with TMS Advantage, Ford, Volvo, Porsche, Borg-Warner Turbos, Each
Part Number: GFS-T9354
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Cooler Block-Off Plate, Aluminum, Natural, Chevy, 5.3L, 6.2L, Each
Part Number: ICB-551357
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap Girdle, 2-Piece Rear Seal, 1045 Billet Steel, with PRW Steel Studs, Spacers, and Nuts, Chevy, 5.7L/350 Only, Each
Part Number: PQX-9035000
Estimated Ship Date: Today
Estimated Ship Date: Today
Deck Plug Kit, Steel, Black Oxide, 3/4 in. NPT, Chevy, Small Block/90 Degree V6, Set of 6
Part Number: MOR-37800
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Cooler Block-Off Plate, Billet Aluminum, Black, Anodized, 1/8 in. NPT Port, Chevrolet, Gen V, LT, Each
Part Number: EAR-1137ERL
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Black Andoized, Chevy, LS, Each
Part Number: SUM-01-8576
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Small Block, Set of 3
Part Number: PQX-1735003
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap Girdle, 1045 Billet Steel, No Hardware, for Chevy Big Block 454, Each
Part Number: PQX-9045401
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Main Caps, Billet Steel, 4-Bolt, Angled, Chevy, Small Block, Set of 3
Part Number: PQX-1735002
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3
Part Number: PQX-1745402
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Lifter Bushing, 1.062 in. O.D., 0.936 in. I.D., 1.990 in. Length, Bronze, Keyway, Chevy, Set of 16
Part Number: ISK-KLB936
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
DOWEL PIN, FOR LS BLOCK MAIN CAPS
Part Number: EDL-549201-1
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
SHORT MAIN CAP BOLT
Part Number: NAL-11548075
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN GIRDLE, BILLET STEEL, CHEV 400, incl PRW fasteners & hdwe
Part Number: PQX-9040000
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
CHEV 454, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 1/2"-13/20 x 5.313" Studs, PRW Fasteners & Hardware.
Part Number: PQX-1000209
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
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