Engine Carburetor Spacer Kit Trackside Kit Has 4-Hole Open and Tapered Inserts Proform Engine Connecting Rod Bolt Stretch Gauge Tool Designed for use with 5/16

Designed for use with 5/16 Inch and 3/8 Inch Rocker Arm Studs

Also Includes Electronic Control Unit Box

Manufactured for engine blocks with studs

Engine Connecting Rod Vise

Engine Carburetor Spacer Kit Trackside Kit Has 4-Hole Open and Tapered Inserts Proform Engine Connecting Rod Bolt Stretch Gauge Tool Designed for use with 5/16Easily optimize your flow rates with the new PROFORM modular 1in carb spacer kit! Each kit comes with one frame and 3 popular inserts: open, 4 hole, and tapered 4 hole. V arious engine combinations have various fuel and air distribution requirements for maximum performance. Lightweight heat resistant phenolic. Made in the U. S. A. Sold As One Kit. Product Details: Engine Carburetor Spacer Kit Trackside Tuning Kit Has 4 Hole, Open and Tapered Inserts 1