GMC Engine Blocks & Accessories

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: Tomorrow

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

Part Number: MEL-MOGP-100

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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: Tomorrow

• $20 Summit Bucks

Piston Oil Kits, Replacement, Billet Steel, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12678499

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Cylinder Head Locating Dowel Pin, Steel, Chevy, Each

Part Number: ADO-12558081

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

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: Tomorrow

Cylinder Head Pin, 0.3094 in. O.D., 0.563 in. Height, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-585927

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Engine Expansion Plugs, Steel, 0.540 in. O.D., 0.180 in. Height, Buick, Chevy, Ford, GMC, Mercury, Set of 10

Part Number: RNB-555-007

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Cylinder Head Dowels, .310 in. Outside Diameter, .562 in. Height, Chevy/Mopar, Pair

Part Number: MRG-4375

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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: Tomorrow

Expansion Plug, Rubber, 1 1/2 in. to 1 5/8 in., Each

Part Number: RNB-02603

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Steel Cup Expansion Plug 15/16 In., Height 0.380

Part Number: RNB-555-016

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-103BR

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Freeze Plugs, Steel, 0.438 in. Diameter, Chevy, Chrysler, Dodge, Eagle, Ford, GMC, Jeep, Mercury, Set of 10

Part Number: RNB-555-003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

SHORT MAIN CAP BOLT

Part Number: NAL-11548075

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Expansion Plug, Rubber/Steel, for 1.375 in. - 1.500 in. Holes, Each

Part Number: RNB-02602

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-104BR

Not Yet Reviewed

Estimated Ship Date: Tomorrow

NOZZLE-PSTN OIL

Part Number: ADO-12632412

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Alignment Dowel, Engine Timing Cover Alignment Dowel, PIN,O/PMP LOC

Part Number: ADO-90351709

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Engine Cylinder Head Dowel Pin, Engine Cylinder Head Dowel Pin, PIN-CYL HD DOWL

Part Number: ADO-14024244

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• $20 Summit Bucks
• Special Order

STUD-OIL PAN

Part Number: ADO-14080362

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Oil Galley Plug, GM 4-Cylinder, 2.2L, Each

Part Number: CLO-P9115

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Freeze Plugs, Steel, 1.00 in. Diameter, 0.440 in. Height, Buick, Chevy, Oldsmobile, Pontiac, Jaguar, MG

Part Number: RNB-555-017

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order