CHEVROLET Chevy small block Gen I Engine Blocks & Accessories

Main Cap, Billet Steel, Rear, Straight Outer Bolts, 2-Bolts, Chevy, Small Block, Each

Part Number: HRS-H350RWS

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Main Caps, Billet Steel, 3-Center, Splayed Outer Bolts, 4-Bolts, Chevy, Small Block, Set of 3

Part Number: HRS-H350S

3.33 out of 5 stars ( 3 )

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

Part Number: HRS-H350R

4.5 out of 5 stars ( 8 )

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Each

Part Number: MOR-38415

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Large Journal, Chevy, Small Block, Set

Part Number: MIL-11150

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, 400 Main, Chevy, Small Block, Set

Part Number: MIL-11180

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Main Caps, Billet Steel, 3-Center, Splayed Outer Bolts, 4-Bolt, Chevy, Small Block, Set of 3

Part Number: HRS-H400

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Lifter Bushing, 1.062 in. O.D., 0.936 in. I.D., 1.990 in. Length, Bronze, Keyway, Chevy, Set of 16

Part Number: ISK-KLB936

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Four Bolt Main Cap Kit

Part Number: PIO-839022

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Main Caps, Ductile Iron, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11165

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Main Cap, Rear, Merlin II, 4-Bolt, 400 Mains, Billet Steel, Chevrolet, Small Block, Each

Part Number: WRL-703355R

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Main Caps, 3-Center, Billet Steel, Angled Outer Bolts, 4-Bolt, Chevy, 350, Large Journal, Set of 3

Part Number: HRS-H350E

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Four Bolt Main Cap Kit

Part Number: PIO-839021

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Four Bolt Main Cap Kit

Part Number: PIO-839023

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Four Bolt Main Cap Kit

Part Number: PIO-839020

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Main Caps, Ductile Iron, 4-Bolt, Angled, Chevy, SHP Dart Block, Set of 3

Part Number: DRT-32791010

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, 7.245 Wide, Set

Part Number: MIL-11190

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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