Designed for 396-502 big-blocks with rectangle port heads. This manifold is a dual plane, high-rise intake with a 180° firing order. Made to produce high top-end horsepower and retain throttle response. This manifold has larger plenums and runners to match free-flowing exhaust, high-lift cams, etc. Intended for performance engines running up to 6500 rpm. Available with a satin aluminum finish. For non-EGR applications.
Will not fit under stock 1965-67 Chevelle hoods.
This high-performance item is not eligible for any further discounts or promotional pricing.
High Performance, designed to improve performance.
Find in OPGI's 2018 Chevelle Catalog page 526.
This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.