The Holley Intake Manifold Adapter Kits are engineered to allow the proper mounting of older intake manifolds to newer-style center-bolt cylinder heads. The kit comes with essential components such as angled spacers with matching Allen head bolts to reliably integrate Holley intake manifolds to the new-style heads.

The components in this kit are manufactured in-house, satisfying today's strict quality standards, and with only the finest materials to assure outstanding durability and long-lasting performance. To ensure precise fitment, these kits are meticulously CNC machined out of a solid piece of aluminum. For top-quality engine parts and accessories designed to optimize your project, the innovations by the Holley brand are guaranteed to provide the biggest bang for your buck.

Holley, founded in Bradford, Pennsylvania in 1896, has become a well-established force in the automotive world. They have been undeniably the go-to company in the past 100 years for aftermarket performance fuel systems. They offer a vast range of products, ranging from performance fuel pumps, carburetors, to intake manifolds for various applications as well as engine dress-up products. Their dominance is unrivaled, powering almost every NASCAR Sprint Cup team and every NHRA Pro-Stock champion for 4 decades. They have partnered with other Holley companies such as Flowtech, NOS, Hooker, etc. and all products, whether partnered or single solution, consumers products of top quality and performance.