Proform Piston Vise - Heavy-Duty 2421 Adapters allow bolting an early

Adapters allow bolting an early GM 3-bolt engine mount to the late model LS style block with a 4-bolt pattern

or an electric fuel pump

laser cut mount bracket

If the distributor will not go all the way down

Proform Piston Vise - Heavy-Duty 2421 Adapters allow bolting an earlyHeavy duty multiple angle piston vises feature the highest quality at an affordable price. The piston vises are constructed from billet aluminum and have an anodized finish for durability. Able to accommodate pistons with up to a 4. 60 in. diameter bore, the vises set up quickly and offer repeatability between pistons. Quick Set Up Repeatability Billet Aluminum Corrosion Resistant Anodizing Universal Easy To Use PROFORM invites racers to experience