Engine Blocks & Accessories

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

Part Number: SUM-240065-SAT

Not Yet Reviewed

Estimated Ship Date: Today

Main Studs, 2-Bolt Main, AMC, 290-401, Kit

Part Number: MIL-81187

5.0 out of 5 stars ( 1 )

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Main Bolts, High Performance Series, 2-Bolt Main, Oldsmobile, 350, Kit

Part Number: ARP-184-5001

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Main Cap Fasteners, Main Cap Girdle Stud Kits, 2-bolt, Stud Style, Hex Head, Nuts, Washers, Ford, Big Block FE, Big Block 385 Series, Kit

Part Number: PQX-1000215

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Main Bolts, High Performance Series, 4-Bolt Main, Ford, Small Block, 221-302, Kit

Part Number: ARP-154-5201

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 30, 2025 if ordered today

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AN Block Adapters, -12 AN Adapters, Black Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6862

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Cylinder Sleeves, CYLINDER SLEEVE (3.750X 3.999X 8.940-4.085)

Part Number: MEL-CSL333F

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Rear Main Seal Cover Kit

Part Number: RNB-635-786

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Cylinder Head Dowel Pins, 0.250 in. O.D., Chevrolet, Small Block, Set of 25

Part Number: PIO-PG-653-25

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 4.375 in. Bore I.D., 0.125 in. Wall Thickness, 12.250 in. Length, Each

Part Number: MEL-CSL521A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 4.000 in. Bore I.D., 0.125 in. Wall Thickness, 6.500 in. Length, Each

Part Number: MEL-590280

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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AN Block Adapters, -16 AN Adapters, Black Anodized, Chevy, Small Block, Kit

Part Number: PGP-PRP-6853

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

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

Part Number: SUM-240065-POL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Oct 20, 2025 if ordered today

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

Part Number: TFS-5150R700-HK

Not Yet Reviewed

Estimated Ship Date: Today

MAIN CAP

Part Number: DRT-32741030

Not Yet Reviewed

Estimated Ship Date: Nov 18, 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: Today

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: Today

Cylinder Sleeve, Cast Iron, 4.750 in. Bore I.D., 0.094 in. Wall Thickness, 14.000 in. Length, Each

Part Number: MEL-CSL465

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 31, 2025 if ordered today

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FORD 302 Main Girdle Stud Kit, 4135 ChromolyPRW Steel Studs, Includes 10ea 1/2" Longer Studs, 7/16"-14/20 x 4.80" Studs, Nuts & Washers.

Part Number: PQX-1000202

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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

Part Number: TFS-51500701-HK

Not Yet Reviewed

Estimated Ship Date: Today

Main Studs, 2-Bolt Main, BMC Triumph TR7

Part Number: ARP-206-5404

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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

Part Number: ARP-135-5507

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

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

Part Number: TFS-51500700-HK

Not Yet Reviewed

Estimated Ship Date: Today