Allstar Performance Adjustable Base Plate MGB 1/4 to 1-3/8

1/4 to 1-3/8

Widely used in Grand National type stock cars

Clips / Pins / Screws / Springs

1974-1974 GMC C15/C1500 Pickup

and stainless steel rotor springs provide unrestricted spark energy flow

Allstar Performance Adjustable Base Plate MGB 1/4 to 1-3/8The Governor is a four hole aluminum spacer that accepts tapered inserts which can be changed quickly by removing the carb. Inserts restrict air fuel entry and reduce power slightly to prevent wheel spin and range in size from 0. 950" to 1. 400" for custom tailoring and quicker lap times. Spacer works with most Holley 4bbl. 4150 4160 series carburetors. Inserts sold separately. Specialty items for the Shop, Trailer and Track. The Allstar Performance