Availability
Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Windage Tray, Kit
Part Number: MIL-81134
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit
Part Number: MIL-81139
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LLY, Kit
Part Number: GFN-MSK667Y
Not Yet Reviewed
Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LBM, LMM, Kit
Part Number: GFN-MSK66ZM
Not Yet Reviewed
Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit
Part Number: MIL-81115
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt Main, Chevy, 350, 400, Kit
Part Number: MIL-81125
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Cap, Billet Steel, Front, Straight Outer Bolts, 2-Bolt, Chevy, Small Block, Each
Part Number: HRS-H350F
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Dual 90* 1/8 in. NPT Ports, Chevy, LS, Each
Part Number: SUM-121027
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Cooler Block-Off Plates, Aluminum, Black Anodized, Cadillac, Chevrolet, GMC, Each
Part Number: EAR-1136ERL
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Oil Cooler Block-Off Plate, Billet Aluminum, Clear Anodized, Chevy, LS, Each
Part Number: SUM-121025
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Dowel Pins, Chevy, Small Block, Set of 50
Part Number: PIO-PG-225-50
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, Center, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Set of 3
Part Number: HRS-H454
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Dowel Pins, Chevy, Big Block, Set of 100
Part Number: PIO-PG-233-100
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 4-bolt Style, 180,000 psi Yield Strength, Washers, Nuts, Chevy, Small Block, Kit
Part Number: SUM-910204
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt Main, 180,000 psi Yield Strength, Washers, Hex Nuts, Chevy, Small Block, Kit
Part Number: SUM-910205
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Dowel Pins, Offset 0.030 in., Chevy Big Block, Chrysler Big Block, Set of 4
Part Number: MOR-37900
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Sleeve, Cast Iron, 3.870 in. Bore I.D., 5.600 in. Length, Chevy, 5.7L LS, Each
Part Number: MEL-CSL332F
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Oil Cooler Block-Off Plate, Aluminum, Black Anodized, 1/8 in. NPT Port, Chevy, LS, Each
Part Number: PGP-PRP-4526
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Dual 1/8 in. NPT Ports, Chevy, LS, Each
Part Number: SUM-121029
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit
Part Number: WRL-WPI703850-K
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Dowels, Offset, .015 in. Chevy, Small Block, Chrysler, Small Block, Set of 4
Part Number: MOR-37920
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit
Part Number: CTR-21-850
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Cylinder Sleeve, Cast Iron, 4.590 in. Bore I.D., 0.185 in. Wall Thickness, 6.770 in. Length, Each
Part Number: DRT-32160321
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set of 3
Part Number: HRS-H350C
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.