Professional Products Crosswind Intake Manifold - Square Bore - Dual Plane - Oval Port - Big Block Chevy 1310B31 4" Street Stock clutches were

4" Street Stock clutches were developed for racing classes where you must run a stock type

Tank size is 3-1/2" wide by 5-1/4" tall by 3" deep

(3) Fan Pack Style Coolers Include the Oil Cooler

400 naturally aspirated hp

High-temperature protection

Professional Products Crosswind Intake Manifold - Square Bore - Dual Plane - Oval Port - Big Block Chevy 1310B31 4" Street Stock clutches wereProduct Description: Intake Manifold Crosswind Square Bore Dual Plane Oval Port Aluminum Natural Big Block Chevy Sold Individually The year was 1972, as newly imported automotive brands from Europe and Japan were gaining popularity; the founders of Professional Products entered the racing industry as part of Brock Racing Enterprises. The performance and styling parts company was an off shoot of the Datsun (Nissan) Racing Team. Prior to this, Brock and