Proform Magnetic Deck Bridge; Without Dial Indicator; 4-1/2 Bore Maximum; Red Anodized 66797

This will go over cylinder bores up to 4-1/2in. This is used to check piston-to-deck clearance, and it is magnetic so it holds firmly in place. Dial indicator 66962 is sold separately.

Magnetic Deck Bridge Tool | Dial Indicator Not Included and Sold Separately | Will Fit Over Any Cylinder Bore Up to 4.500 Inches | Made From Quality Aluminum with a Red Anodized Finish | Magnets Built Into The Aluminum Bridge Legs | Sold each