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Exhaust Manifold Components

Exhaust Manifold Sleeve Nuts & Fastener Kits

Special "sleeve" nuts used on 340, 383, 400 and 440 V8 engines. Big-block engines use 3/8" thread size while 340 engines have a 5/16" thread size.

Part# WO-8065A

383/440 Exhaust Manifold Fastener Kit. Includes: (12) studs, (7) nuts, & (1) Long & (4) short sleeve nuts

Compatibility: 1967 - 1969 A-Body

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