Engine Blocks & Accessories

Main Bolts, Outer Bolts, With Windage Tray, Chevy, LS, Each

Part Number: NAL-12560273

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Cylinder Head Dowel Pins, Split-type, Chevy, Small Block LS, Set of 4

Part Number: AAF-ALL87024

4.96 out of 5 stars ( 23 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Dowel Pin, Flywheel Locating, Chevy V8, Steel, Each

Part Number: DUR-AD-679

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

• $20 Summit Bucks on $200 spent*

Bellhousing Dowel Pin, 0.621 in. Diameter, 1.190 in. Length, Chevrolet, Big Block, Each

Part Number: NAL-12720455

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Oil Galley Barbell Plug, Plastic, O-ring Included, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Each

Part Number: MEL-MOGP-100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Timing Cover Dowel Pin, 0.550 in. Long, 0.482 in. Outside Diameter, 0.385 in. Inside Diameter, Steel, Ford, Each

Part Number: DUR-AD-967

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Oil Galley Plug, Chevrolet, Small Block Gen III/IV, Each

Part Number: BTC-BTR73460

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Expansion Plug, Oil Galley, Rubber/Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-02600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Cylinder Head Locating Dowel Pin, Steel, Chevy, Each

Part Number: ADO-12558081

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

• $20 Summit Bucks on $200 spent*

Bellhousing Dowel Pin, 0.500 in. Diameter, 1.000 in. Length, Ford, Each

Part Number: DUR-AD-397

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Cylinder Head Dowel Pins, Chevrolet, Small Block. Set of 4

Part Number: AAF-ALL87020

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Oil Pump Driveshaft Bushing, Bronze, Natural, Chrysler, DeSoto, Dodge, Jeep, Plymouth, Each

Part Number: MEL-M-63030B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Expansion Plug, Freeze Plug, Brass, 0.595 in. Depth, 1.625 in. O.D., Each

Part Number: MEL-MPC-41B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Cylinder Head Dowel Pin, Ford, 302, 351W, Each

Part Number: DRT-32902400

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Expansion Plugs, BTR LS Engine Coolant Plug, Large Brass Coolant Plug

Part Number: BTC-BTR61663

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Expansion Plug, Freeze Plug, Brass, 0.375 in. Depth, 1.500 in. O.D., Each

Part Number: MEL-MPC-30B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Dowel Pin, Timing Cover, Chevy, Small Block/Little M/Sportsman, Each

Part Number: DRT-32910000

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Expansion Plugs, Steel, 0.375 in. Diameter, 0.150 in. Height, Dodge, Ford, Mercury, Set of 10

Part Number: RNB-555-115

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Shallow Plug - Brass - Each

Part Number: MEL-MPS-135B

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Expansion Plug, Brass, Each

Part Number: DRT-32810000B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Bellhousing Dowel Pin, 0.621 in. Diameter, 1.200 in. Length, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: DRT-32901000

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Main Cap Fastener, Bolt, 6-bolt Main Bolt Style, External Hex Head, Chevrolet, Small Block LS, Each

Part Number: BTC-BTR60272

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air