The Proform 66789 is a practical and easy-to-use tool designed to accurately determine the correct pushrod length for Small Block Chevy engines using 3/8-inch rocker arm studs. Proper pushrod length is essential for maintaining correct valvetrain geometry, helping to prevent premature wear and performance loss.

Key Features:

• Designed for use with Small Block Chevy engines
• Fits setups with 3/8-inch rocker arm studs
• Molded plastic construction for lightweight handling and long service life
• Accurately replicates rocker geometry to measure pushrod length
• Blue finish for easy visibility and identification in your toolbox
• Simplifies engine setup and reduces guesswork

Specifications:

• Tool Type: Pushrod Length Checker
• Stud Compatibility: 3/8 inch
• Engine Compatibility: Small Block Chevy
• Material: Molded composite plastic
• Color: Blue

Applications:
Ideal for engine builders and DIY enthusiasts working on Small Block Chevy engines. The Proform 66789 is essential during camshaft, rocker arm, or cylinder head changes to ensure precise pushrod fitment.