Telephone: 530-274-FUEL or 530-274-3835
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Hammer Screw Compressor Axial Top Insert Plate

Hammer top insert plate for the PSI C or D rotor screw compressor. This new piece is compatible with the any carbon fiber or magnesium funny car, promod, or dragster injector hat.

This part is a machined piece of art that will improve the performance and horsepower on your race car with a simple bolt on that has no affect to your original screw blower. Included is a shim kit that will allow the insert to be used with a cut down D or D case screw blower.

Now for the magic part of the insert! The insert starts out as a three pound chunk of durable plastic that is CNC machined to fit down next to the rotors and allow the blower to become more efficient due to the air being diverted more to the front of the blower then passing past the insert which compresses the air and fuel mixture and provides more boost out the bottom of the blower.

The insert has been machined with weight reduction pockets to provide a two pound part that will provide one to two pounds of boost.

Insert has a 4130 tube brace thru the front of the insert to provide strength to keep the insert from flexing and includes grade eight mounting bolts.

Customer must run a closed top blower restraint and will have to drill the four mounting holes in there blower restraint to mount the insert.

THE INSERT TO BE USED WITH A D ROTOR SCREW BLOWER MUST USE A SHIM KIT, IF USING INSERT WITH A C ROTOR INSERT WILL COST $693.00.