PRODUCT DESCRIPTION
Great throttle response and good mileage. Perfect for stock 1966-71 along with 1972-78 "smogger" 440 applications. Stock HP exhaust manifolds, dual exhaust, 1800 to 2000 RPM stall and 3.23 gears recommended. Perfect for waking up 440-Powered C-Body! For use with multi-goove valve locks.