Allstar Performance Oil Restrictors - Dart/Chevy SHP - (5 Pack) SPBS2 These air springs provide all

These air springs provide all the benefits of similar systems

Straight pin design allows height adjustment by relocating the shim stack for more accurate and precise changes versus changing out entire pin

with '1' being the least aggressive program and '9' the most aggressive

while not requiring the use of oils

Metal chin bar locking components for strength and durability

Allstar Performance Oil Restrictors - Dart/Chevy SHP - (5 Pack) SPBS2 These air springs provide allOil restrictors for use in Dart SB Chevy SHP blocks are specifically designed for the priority main oil system to reduce the amount of oil flow to the top of the engine, reducing the risk of evacuating the oil pan in continuous high rpm engines. Kit includes five restrictors, an extra O ring, and detailed installation instructions. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find,