CHEVROLET 5.7L/350 Engine Blocks & Accessories

Rear Main Seal Cover, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Kit

Part Number: RNB-635-518

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bolts, High Performance Series, 4-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5202

4.97 out of 5 stars ( 37 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 4-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5601

4.96 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 2-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5401

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Cooler Block-Off Plate, Billet Aluminum, Black Anodized, 1/8 in. NPT Port, Chevrolet, LS, Each

Part Number: EAR-LS0020ERL

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Rear Main Seal Housing, Chevy, Small Block, LT1, Each

Part Number: NAL-12554312

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Engine Hardware Kit, Brass Freeze Plugs, Main Cap Side Bolts, Chevy, LS, Kit

Part Number: SUM-G1585

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 2-Bolt Main, Chevy, Small Block, Large Journal, 12-Point

Part Number: ARP-134-5403

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 2-Bolt, Hex-Head Fasteners, Chevy 1992-97, 5.7L, Kit

Part Number: ARP-134-5502

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 4-bolt Style, 180,000 psi Yield Strength, Washers, Nuts, Chevy, Small Block, Kit

Part Number: SUM-910204

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bolts, Extreme Duty, 4-bolt Style, 6-point, Premium Quality, 190,000 psi Yield Strength, Washers, Chevy, Small Block, Kit

Part Number: SUM-910203-PRO

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Lifter Valley Cover, Finned, Aluminum, Black Powdercoated, Chevy, LS, Each

Part Number: SUM-240065-BLK

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Block Off, Oil Cooler, Billet Aluminum, Black Anodized, GM, LS, Each

Part Number: DER-35601

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Cap, Billet Steel, Front, Straight Outer Bolts, 2-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 4-Bolt Main, Large Journal with Splayed Cap Bolts, Chevy, Small Block, Kit

Part Number: ARP-234-5602

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: SUM-240065-POL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: SUM-240065-SAT

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Engine Valley Cover, Finned, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81045BK

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: PGP-PRP-6852

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 2-Bolt Main, 180,000 psi Yield Strength, Washers, Hex Nuts, Chevy, Small Block, Kit

Part Number: SUM-910205

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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: May 5, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-H350RSWS

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• 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: Jun 22, 2026 if ordered today

• Drop Ship
• 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: Jun 22, 2026 if ordered today

• Drop Ship
• Special Order