1978 Engine Blocks & Accessories

Mockup Block, Chevrolet Big Block, Mark IV, 9.8 Long Block, Steel, Includes bolts, Each

Part Number: SUM-774008

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Main Cap Girdle, Steel, Ford, 289/302, Kit

Part Number: MOR-22928

3.9 out of 5 stars ( 10 )

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Main Girdle, Bolt, Tool Steel, Ford, 429/460, Kit

Part Number: TFS-53400700

3.63 out of 5 stars ( 8 )

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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 )

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Main Cap Girdle, Steel, Black Oxide, Ford, 351W, Kit

Part Number: CTR-21-062

2.6 out of 5 stars ( 5 )

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Main Cap Girdle, 1045 Billet Steel, with PRW SCM-4135 Fasteners/Hardware, Black Oxide Finish, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PQX-9034700

5.0 out of 5 stars ( 1 )

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Main Caps, Billet Steel, 2-Bolt, Straight, Mopar, Set of 5

Part Number: PQX-1738301

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

Part Number: PQX-1745401

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Main Cap Girdle, Steel, Black Oxide, Ford, 429/460, Kit

Part Number: CTR-21-066

4.43 out of 5 stars ( 7 )

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Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3

Part Number: PQX-1738901

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Estimated Ship Date: May 29, 2026 if ordered today

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Four Bolt Main Cap Kit

Part Number: PIO-839022

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Estimated Ship Date: Apr 15, 2026 if ordered today

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