Engine Blocks & Accessories

Main Bolts, High Performance Series, Hex Head, Chromoly, Black Oxide, 4-Bolt Main, Chevy, Merlin II/III Iron Big Block, Kit

Part Number: ARP-135-5202

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Main Studs, 4-Bolt Main, Chevy, 4.3L V6, with Splayed Cap Bolts, Kit

Part Number: ARP-233-5601

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Cylinder Sleeve, Cast Iron, 5. in. Bore I.D., 0.125 in. Wall Thickness, 13 in. Length, Each

Part Number: MEL-CSL526

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

MAIN CAP

Part Number: DRT-32741030

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Special Order

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 9, 2026 if ordered today

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AN Block Adapters, -16 AN Adapters, Clear Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6861

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

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Main Studs, 2-Bolt Main, Chevy 1954-62, 235, 261, L6, Kit

Part Number: ARP-132-5402

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Special Order

CHEV 350 Stud Kit, Main Girdle, , Includes 10ea, 1/2" Longer Studs, 7/16" -14/20 x 5.00" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000203

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Rear Main Seal Cover Kit

Part Number: RNB-635-786

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, LS, Kit

Part Number: PGP-PRP-6865

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

• Special Order

Side Main Bolts, 4-Bolt Main, High Performance, 12-Point, Ford Modular V8, Kit

Part Number: ARP-156-5203

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Cylinder Sleeve, Cast Iron, 4.437 in. Bore I.D., 0.094 in. Wall Thickness, 12.750 in. Length, Each

Part Number: MEL-CSL427

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
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Main Bearing Cap Strap, Steel Billet, Rear, Wet Sump, Chevy, 350, Each

Part Number: HRS-H350RSWS

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Main Studs, 2-Bolt Main, BMC Triumph TR7

Part Number: ARP-206-5404

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Main Studs, 2-Bolt Main, Buick 1970-76, 455, Kit

Part Number: ARP-125-5401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Cylinder Sleeve, Cast Iron, 4.312 in. Bore I.D., 0.125 in. Wall Thickness, 12.750 in. Length, Each

Part Number: MEL-CSL520A

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Lifter Valley Cover, Finned, Aluminum, Polished, Chevy, LS, Each

Part Number: SUM-240065-POL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Lifter Valley Cover, Finned, Aluminum, Natural, Chevy, LS, Each

Part Number: SUM-240065-SAT

Not Yet Reviewed

Estimated Ship Date: Tomorrow

MAIN CAP EACH

Part Number: DRT-32763030

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Special Order

Main Studs, 2-Bolt Main, with Windage Tray, Oldsmobile, 400, 425, 455, Kit

Part Number: MIL-81219

3.75 out of 5 stars ( 4 )

• Special Order

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 9, 2026 if ordered today

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Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow® Main Cap Girdle,

Part Number: TFS-51500700-HK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Main Studs, 2-Bolt Main, Cadillac, 472, 500, Kit

Part Number: ARP-135-5507

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Main Studs, 2-Bolt Main, Buick 1961-63, 215, V8, Kit

Part Number: ARP-124-5401

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, Small Block, Kit

Part Number: PGP-PRP-6850

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

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