
Exhaust Manifold Heat Shields for 1967-1978 Small Block Chevrolet Engines
- (4) 1/4 in.-20 x 1/2 in. UHL Hex Head Bolts
- (4) #6 x 3/8 in. OAL Hex Head Screws
JEGS 555-90638 Exhaust Manifold Heat Shields
These exhaust manifold heat shields cover the spark plugs to protect them from the extreme heat caused by high temperatures from exhaust manifolds. These shields help prevent fouling spark plugs and melting spark plug wires.
High-Quality Mounting Hardware
JEGS GM Exhaust Manifold Components offers OEM-style fasteners to properly mount your exhaust manifolds and exhaust pipes. Made to factory specs and lengths for a secure and tight fit. If your ride needs a replacement, our kits make it easy to replace all of your vehicle's exhaust hardware.

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