1978 Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Mr. Gasket Cylinder Head Dowel Pins 4377

Cylinder Head Dowel Pins, 0.638 in. Outside Diameter, .503 in. Height, Chevy, Big Block, Pair

Part Number: MRG-4377

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dura-Bond Engine Hardware Finishing Kits FKF-3A

Dura-Bond Engine Hardware Finishing Kits FKF-3A

Engine Hardware, Dowels, Keys, Cam Bolts/Washers, Ford, 460, Kit

Part Number: DUR-FKF-3A

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dura-Bond Engine Hardware Finishing Kits FKC-1

Engine Hardware, Cylinder Head Dowels, Woodruff Keys, Oil Pump Dowel, Cam Bolts, Chevy, Small Block, Kit

Part Number: DUR-FKC-1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Summit Racing™ Extreme Duty Main Cap Bolts SUM-910203-PRO

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: Today

...Loading

Estimated Ship Date: Today

Proform Freeze Plug Kits 66553

Freeze Plugs, Brass, Ford, Small Block, 289-302-351W, Kit

Part Number: PRO-66553

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Moroso Offset Cylinder Head Dowels 37900

Cylinder Head Dowel Pins, Offset 0.030 in., Chevy Big Block, Chrysler Big Block, Set of 4

Part Number: MOR-37900

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Expansion Plugs 555-034

Engine Expansion Plugs, Steel, Chevy, GMC, Set of 10

Part Number: RNB-555-034

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Proform Freeze Plug Kits 66560

Freeze Plugs, Brass, Pontiac V8, Kit

Part Number: PRO-66560

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Mr. Gasket Cylinder Head Dowel Pins 4375

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: Today

...Loading

Estimated Ship Date: Today

ARP Main Stud Kits 184-5401

Main Studs, 2-Bolt Main, Oldsmobile, 350, Set

Part Number: ARP-184-5401

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Ford Performance Parts Expansion Plugs M-6026-S351

Expansion Plug, Camshaft, Aluminum, Small Block, 5.0L, 5.8L, Set of 10

Part Number: FMS-M-6026-S351

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pioneer Performance Freeze Plugs PE-100

Freeze Plug Kit, Steel, Chevy, Small Block, Kit

Part Number: PIO-PE-100

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PRW Billet Steel Main Caps 1745402

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3

Part Number: PQX-1745402

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

COMP Cams Engine Finishing Kits 245

Engine Finishing, Head Dowels, Cam Bolt, Crank Key, Oil Pump Dowel, Big Ford, Kit

Part Number: CCA-245

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Expansion Plugs 555-024

Engine Expansion Plugs, Steel, 1.250 in. Diameter, 0.300 in. Height, Cadillac, Chevy, Chrysler, Set of 10

Part Number: RNB-555-024

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

COMP Cams Engine Finishing Kits 243

Engine Finishing Kit, Bolts, Washers, Keys Eccentrics, Ford, 302/5.0L, Kit

Part Number: CCA-243

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Expansion Plugs 555-080

Expansion Plugs, Steel, 2.109 in. Diameter, Set of 10

Part Number: RNB-555-080

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Expansion Plugs for 1971-1987 WAGONEER, 1987-2003 WRANGLER - 567-017

Freeze Plugs, Brass, AMC, International, Jeep, Set of 7

Part Number: RNB-567-017

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Philadelphia Racing Products AN Block Adapters PRP-6852

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

Part Number: PGP-PRP-6852

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dura-Bond Engine Hardware Finishing Kits FKC-1A

Engine Hardware, Dowels, Keys, Bolts, Chevy, Small Block, Kit

Part Number: DUR-FKC-1A

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Expansion Plugs 555-030

Freeze Plugs, Steel, 1.625 in. Diameter, AMC, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Jeep, Set of 10

Part Number: RNB-555-030

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PRW Billet Steel Main Caps 1744002

Main Caps, Billet Steel, Two 2-Bolt, Three Cross-Bolt, 383-440 c.i.d., Big Block Mopar, B/RB, V8, Chrysler, Dodge, Plymouth, Set of 5

Part Number: PQX-1744002

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

ARP Main Stud Kits 235-5601

Main Studs, 4-Bolt Main, Dart Big M Block, Chevy, 454, Kit

Part Number: ARP-235-5601

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ARP High Performance Series Main Bolts 154-5201

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: Today

...Loading

Estimated Ship Date: Today

Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223644

Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.60 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31223644

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 3, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SPC Big Block Chevy Engine Block SUM-150211

Not Yet Reviewed

Estimated Ship Date: Today

...Loading