Availability
Engine Blocks & Parts
Main Cap Fastener, Bolt, 6-bolt Main Bolt Style, External Hex Head, Chevrolet, Small Block LS, Each
Part Number: BTC-BTR60272
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Studs, 4-Bolt Main, with Windage Tray, Chevy, Small Block, 400, Kit
Part Number: ARP-234-5606
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Hardware, Cylinder Head Dowels, Woodruff Keys, Oil Pump Dowel, Cam Bolts, Chevy, Small Block, Kit
Part Number: DUR-FKC-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3
Part Number: PQX-1738901
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Main Studs, 4-bolt Style, 180,000 psi Yield Strength, Washers, Nuts, Chevy, Small Block, Kit
Part Number: SUM-910204
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Expansion Plugs, Cadillac, Chevy, Small Block LS, Kit
Part Number: CCA-251
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Cap, Ductile Iron, Front, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Each
Part Number: MIL-11053
Estimated Ship Date: Jul 14, 2026 if ordered today
Estimated Ship Date: Jul 14, 2026 if ordered today
Freeze Plugs, Brass, Ford, Small Block, 289-302-351W, Kit
Part Number: PRO-66553
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Hardware Kits, Engine Hardware Finishing Kits, Cylinder Head Dowels, Cam Thrust Plate Bolts, Woodruff Keys, Chevrolet, Small Block LS, Kit
Part Number: DUR-FKC-7B
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Expansion Plugs, Camshaft Plug Only, Steel, SBC, V8, 265-350 CID, Chevy, Small Block, Set of 10
Part Number: EW1-60478
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: WRL-087182
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bolts, Extreme Duty, 2-bolt Style, 6-point, Premium Quality, 190,000 psi Yield Strength, Washers, Chevy, Small Block, Kit
Part Number: SUM-910202-PRO
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engines, Bare Blocks, 351 Aluminum Windsor Engine Block, 351 Windsor Mains, 9.200 in. Deck Height, 4-bolt Main, Ford, V8, Small Block Windsor, Each
Part Number: FMS-M6010Z35192
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head Dowel Pin, 0.500 in. Height, Chevy, Small Block LS, Each
Part Number: DUR-AD326
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Mopar, Small Block LA, 5.2/5.6L, Set
Part Number: MIL-11300
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Freeze Plug Kit, Brass, Chevy, Small Block, Kit
Part Number: PIO-PE100BR
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Caps, Billet Steel, 4-Bolt, Straight, Ford, Small Block, Set of 3
Part Number: PQX-1735101
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each
Part Number: HRS-H350R-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Small Block, Set of 3
Part Number: PQX-1735003
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Cast Iron, 4-Bolt Mains, 3.990 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: WRL-087172
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set
Part Number: MIL-11160
Estimated Ship Date: Jul 14, 2026 if ordered today
Estimated Ship Date: Jul 14, 2026 if ordered today
Freeze Plugs, Brass, Threaded, Chevy, Small Block LS, Kit
Part Number: MRG-61210G
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bolts, High Performance Series, 4-Bolt Main, Ford, Small Block, 221-302, Kit
Part Number: ARP-154-5201
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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