Holley LS Carbureted Manifold - 2x4 Dual Plane - Black GM LS1/LS2/LS6 CHEVROLET/GMC/FORD cast steel spacers are designed

cast steel spacers are designed with a slight lip allowing the spacer to lock into the factory seat eliminating any guesswork in lining it up allowing you to easily match the factory angle and orientation for a perfect fit

they come with both curved and flat mount backings

Ideal for classes that require cast iron heads that require an unported intake manifold

If you do not see your particular application listed

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Holley LS Carbureted Manifold - 2x4 Dual Plane - Black GM LS1/LS2/LS6 CHEVROLET/GMC/FORD cast steel spacers are designedHolley Carbureted 2x4160 Dual Plane Intake Manifold, LS Gen 3 LS1 LS2 LS6 engines w black ceramic coating