1968 PONTIAC Engine Blocks & Accessories

Main Studs, 4-Bolt Main, Pontiac V8, Kit

Part Number: ARP-194-5601

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cylinder Sleeve, Cast Iron, 4.125 in. Bore I.D., 0.125 in. Wall Thickness, 6.250 in. Sleeve Length, Each

Part Number: MEL-590261

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Studs, 2-Bolt, Pontiac 326-455, with Windage Tray, Kit

Part Number: MIL-81223

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit

Part Number: MIL-81222

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Studs, 2-Bolt, Pontiac, 326-455, Kit

Part Number: MIL-81221

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 15, 2026 if ordered today

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