CHEVROLET Engine Blocks & Accessories

Engine Expansion Plugs, Steel, 0.563 in. Diameter, 0.250 in. Height, Chevy, GMC, Olds, Pontiac, Set of 10

Part Number: RNB-555-008

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Freeze Plugs, Brass, Threaded, Chevy, Small Block LS, Kit

Part Number: MRG-61210G

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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

Part Number: ARP-134-5501

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Freeze Plugs, Brass, 1.766 in. Diameter, Cadillac, Chevy, Ford, Lincoln, Mercury, Set of 10

Part Number: RNB-565-036

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-369

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Engine Block, Vortec Roller, Cast Iron, 4-Bolt 350 Mains, 4 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy Small Block, Each

Part Number: HPE-13ZB

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Freight Charge
• Special Order

Cylinder Head Dowel Pins, Chevy, Small Block, Set of 50

Part Number: PIO-PG-225-50

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Freeze Plug Kit Brass Big Block Chevy

Part Number: MRG-6482

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

GM DOWEL PINS

Part Number: ATI-958001

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

Engine Hardware Kit, Block Kit, Merlin IV, BBC, Kit

Part Number: WRL-PBMBKBBCIV

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

LS Rear Main Seal Adapter Bolts LS1, LS3, LS2, LSX, Set of 12

Part Number: ICB-551435

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Freeze Plug Kit, Brass, Chevy, Big Block, Kit

Part Number: PIO-830019

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Dual 90* 1/8 in. NPT Ports, Chevy, LS, Each

Part Number: SUM-121027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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: Monday 9/29/2025

Main Bolts, High Performance Series, 4-bolt Main, Hex, Designed To Fit Dart SHP Cast Iron Engine Blocks, Kit

Part Number: ARP-134-5204

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Freeze Plugs, Brass, Chevy, Big Block, Kit

Part Number: PRO-66552

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Oil Cooler Delete Plate, Aluminum, Natural, Chevy, 5.7L LS, 6.0L LS, Each

Part Number: NAL-12577903

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

Oil Cooler Block-Off Plate, Billet Aluminum, Clear Anodized, Chevy, LS, Each

Part Number: SUM-121025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Engine Finishing Hardware, Head Dowels, Camshaft Bolts, Crank Key, Oil Pump Dowel, Chevy, Big Block, Kit

Part Number: CCA-234

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Main Caps, Billet Steel, 4-Bolt, Angled, Chevy, Small Block, Set of 3

Part Number: PQX-1735002

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Billet Steel, Chevy 305/350, 1967-1986, 4 Bolt Replacement Style, Sold as a Set of 3

Part Number: PQX-1735001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

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

Part Number: PGP-PRP-6852

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

Engine Expansion Plug, Brass, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: NAL-9427693

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025

Engine Expansion Plugs, Cadillac, Chevy, Small Block LS, Kit

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025