AFR Intake Manifold Gasket - 1.35 x 2.33 in Rectangle Port - Small Block Chevy (Pair) 39000509 and 16 mm threads

and 16 mm threads

Won't rust or stain

PN[501-1/501-2]

Rear Flip Kit

And because it is Water Resistant

AFR Intake Manifold Gasket - 1.35 x 2.33 in Rectangle Port - Small Block Chevy (Pair) 39000509 and 16 mm threadsProduct Description: Intake Manifold Gasket 1. 35 x 2. 33 in Rectangle Port Composite Small Block Chevy Pair For over thirty years Airflow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. This complete commitment to performance has enabled Airflow Research's cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. As every engine builder will