Allstar Performance Adjustable Angled Carb Spacer Pressure Plate Cover Assembly All scoops surround approximately half

All scoops surround approximately half of the air cleaner assembly

1987-1990 Chevrolet Blazer

Infiniti / Nissan 2013-2019

Same quality as AFCO coil-over springs

Allstar Performance Adjustable Angled Carb Spacer Pressure Plate Cover Assembly All scoops surround approximately halfFour hole aluminum spacer angles the carburetor left and to the rear so the carb is closer to level when in race attitude. Spacer accepts 1 2" or 1" 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