1968 Engine Blocks & Accessories Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

ARP Main Stud Kits 154-5408

ARP Main Stud Kits 154-5408

Main Studs, 2-Bolt Main, Ford, 289, 302, Kit

Part Number: ARP-154-5408

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

PRW Billet Steel Main Caps 1735001

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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

ARP Main Stud Kits 134-5403

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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Dart Cylinder Head Dowel Pins 32902400

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

Part Number: DRT-32902400

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

COMP Cams Engine Finishing Kits 244

Engine Finishing Hardware, Head Dowels, Camshaft Bolts, Oil Pump Dowel, Ford, Big Block FE, Kit

Part Number: CCA-244

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pioneer Performance Freeze Plugs PE-613-BR

Freeze Plugs, Brass/Steel, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: PIO-PE-613-BR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pioneer Cylinder Head Dowel Pins PF-602-S-25

Dowel Pins, Hollow, Cylinder Head, .673 in. O.D., Ford, Set of 25

Part Number: PIO-PF-602-S-25

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

ACDelco Cylinder Head Pins 00585927

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: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Melling Intermediate Shaft Bushings M-63030B

Engine Intermediate Shaft Bushing, Engin

Part Number: MEL-M-63030B

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

ARP Main Stud Kits 134-5501

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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

ARP High Performance Series Main Bolts 185-5001

Main Bolts, High Performance Series, 2-Bolt Main, Oldsmobile, 455, Kit

Part Number: ARP-185-5001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Dura-Bond Bellhousing Dowel Pins AD-009-P

Dowel Pin, Bellhousing Alignment, Chevy, Pontiac, Each

Part Number: DUR-AD-009-P

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Canton Racing Main Cap Girdles 21-060

Main Cap Girdle, Stroker Clearanced, Laser Cut 1/2 in. Steel, with Hardware, Steel, Black Oxide, Ford, 289/302, Kit

Part Number: CTR-21-060

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-614BR

Engine Expansion Plugs, Brass, Chrysler, Dodge, Kit

Part Number: MEL-MPE-614BR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

PRW Billet Steel Main Girdles 9045511

MAIN GIRDLE, BILLET STEEL, OLDS 455, incl PRW studs & hardware

Part Number: PQX-9045511

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

PRW Billet Steel Main Caps 1735003

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

Part Number: PQX-1735003

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-110BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-110BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Proform Freeze Plug Kits 66559

Freeze Plugs, Brass, Oldsmobile, 260-455 V8, Kit

Part Number: PRO-66559

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Dorman Expansion Plugs 555-028

Engine Expansion Plug, Steel, AMC, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Set of 10

Part Number: RNB-555-028

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Dart Bellhousing Dowel Pins 32901400

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

Part Number: DRT-32901400

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Summit Racing™ Extreme Duty Main Cap Bolts SUM-910202-PRO

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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Moroso Offset Cylinder Head Dowels 37920

Cylinder Head Dowels, Offset, .015 in. Chevy, Small Block, Chrysler, Small Block, Set of 4

Part Number: MOR-37920

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air