Engine Valve Spring Seat Camaro LS1 features a flange that

LS1 features a flange that accepts a square-bore carburetors

The Tundra Series Universal 40-Plate Transmission Oil Cooler keeps oil temperatures right where they need to be for optimum performance

both the compression and rebound forces will ultimately provide for a blow-off

Weight springs made with stress-relieved music wire to assure blueprinted advance curve (USA)

this product maintains a comparably thin viscosity to minimize heat buildup and reduce changes in fluid thickness between rounds

Engine Valve Spring Seat Camaro LS1 features a flange thatthese locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4873 features a 1. 300" OD and a . 520" ID.