Description

Small Block Chevy Rams Horn Exhaust Manifolds, 1-5/8″ primary diameter, 2-1/4″ Collector, Natural ”Uncoated”Tight fit block hugger design for popular hot rods powered by the popular small block Chevy motorsCast iron construction styled in the vintage â??Rams Hornâ? design for maximum engine clearance and maximum strengthSmooth transition, 1-5/8â? diameter primaries are used for increased exhaust flow increasing performance and improving throttle response3/8â? thick 2-1/4â? collector for maximum strengthThick manifold flange pads for a leak-free seal and maximum strengthPremium aluminum manifold gaskets and collector hardware is includedThis manifold is raw ”uncoated” so it is perfect to paint match or coat to match engine or body designSold as a pair

Bolt size: 3/8-16 x 3/4

Collector Diameter: 2.25″

Collector Port Diameter: 2.25″

Color: Gray

Design: Ram Horn

Engine: Chevrolet Small Block Gen I

Finish: Natural

Flange Style: Square Port

Gasket Or Seal Included: Yes

Gaskets Included: Yes

Grade Type: Performance

Hardware Included: Yes

Header Finish: Natural

Header Style: Ram Horn

Heat Shield Included: No

Main Piping Diameter: 1.625″

Main Piping Diameter:1-5/8 IN

Material: Steel

Mounting Hardware Included: Yes

Mounting Hole Quantity: 6

Oxygen Sensor Port: No

Pack Qty: Pair

Port Shape: Oval

Tube Material: Cast Iron