Availability
Engine Blocks & Parts
Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck, 4.495 in. Bore, Billet Caps, 55mm Babbitt Cam Bearings and 0.904 in. Lifter bores, Each
Part Number: WRL-095010-55
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck, 4.595 in. Bore, Billet Caps, 55mm Babbitt Cam Bearings and 0.904 in. Lifter bores, Each
Part Number: WRL-095012-55
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.595 in. Diameter Bore, 9.850 in. Deck, Billet Steel Main Caps, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: WRL-095017
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.245 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each
Part Number: WRL-095100
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.495 in. Bore, Splayed Billet Caps, 55mm Babbit Cam Bearings and 0.904 Lifter, Each
Part Number: WRL-095110-55
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.595 in. Bore, Splayed Billet Caps, 55mm Babbit Cam Bearings and 0.904 Lifter, Each
Part Number: WRL-095112-55
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit
Part Number: WRL-701416
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
BILLET MAIN CAPS
Part Number: WRL-703370-5
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Main Caps, Merlin III, 3-Center, Angled Outer Bolts, 4-Bolt, Chevrolet, Big Block, Each
Part Number: WRL-703370C
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
MAIN GIRDLE, BILLET STEEL, CHEV 350, 2pc Rear Seal, Does Not incl Studs or Fasteners
Part Number: PQX-9035001
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
MAIN GIRDLE, BILLET STEEL, FORD 351W, Does Not incl Studs or Fasteners
Part Number: PQX-9035101
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
CHEV 400, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 7/16" -14/20 x 5.00" Studs, PRW Fasteners & Hardware.
Part Number: PQX-1000207
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
STUD KIT, MAIN GIRDLE, OLDS 455, incl PRW studs & hardwareStuds, PRW Fasteners & Hardware.
Part Number: PQX-1000213
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 4-Bolt Mains, 6.0L, V8, Powerstroke, Diesel, Ford, Kit
Part Number: PQX-1000306
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
MAIN CAP STUD KIT, FORD Powerstroke, 6.4L, 2008-2010, Custom-4140 Alloy Steel, 200,000 PSI
Part Number: PQX-1000308
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit
Part Number: PQX-1000311
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Extreme Duty Main Studs for 1989-1998 Dodge Cummins 5.9L 12V
Not Yet Reviewed
Estimated Ship Date: Today
Grille Insert
Part Number: PUT-84182FP
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Main Studs, 2-Bolt Main, Cummins, 5.9L, Kit
Part Number: GFN-MSK5912
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Main Studs, 2-Bolt Main, Cummins, 5.9L, Kit
Part Number: GFN-MSK5924
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Heavy Duty Main Stud Kit for Dodge (2003-07) 5.9L Common Rail Cummins Diesel w/ Factory Girdle
Part Number: GFN-MSK59CR
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Main Studs, 4-Bolt Main, Ford, Powerstroke, 6.0L, Kit
Part Number: GFN-MSK60
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Main Studs, 4-Bolt Main, Ford, Powerstroke, 6.4L, Kit
Part Number: GFN-MSK64
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LLY, Kit
Part Number: GFN-MSK667Y
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 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: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Heavy Duty Main Stud Kit for Ford (1994-03) 7.3L Power Stroke Diesel
Part Number: GFN-MSK73
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
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