[Vehicle Fitment]: Compatible with Chevy 396-545 High Rise Oval Port Big Block Vortec Engines, RPM Range 3000-7500+, 4-Barrel Square Bore
[Reference Number]: PC3037, 53037
[Specifications]: ① Intake Style: Single Plane; ② Basic Operating RPM Range: 3000 - 7500+; ③ Intake Material: Aluminum; ④ Carburetor Mounting: 4-barrel square bore; ⑤Height: 5.87"; ⑥Intake Port: 2.05" x 1.82"
[Benefits]: It is made of superior-quality materials with top-quality performance and reliable construction, the smooth inner wall of the manifold makes it super air-intake capacity, riving more smoothly and safely.
[Customer Support]: 1 Year Unlimited-mileage Quality Guarantee; With being sturdy and brand-new, this dual plane intake manifold is the ideal replacement. Please get in touch with us at any time if the product has any quality issues, such as damage or isn't appropriate for your automobile.