Supertech Block Guard Suspension Kits * BIG 1" HEX -

* BIG 1" HEX - Allows you to use a LARGE tool with LOTS of surface area contact so it wont round off

It can handle the highest HP load with ease

1968-1972 MASS'12987 Upper Arms

324 Grind Zetec TURBO - Advertised Duration @

Supertech Block Guard Suspension Kits * BIG 1" HEX -Supertech Block Guards are meticulously designed and tested in many engines. As a result Supertech offered Block Guards that will provide support to highly stressed cylinder walls with optimal engine cooling by allowing enough water in critical areas to avoid destructive cylinder hot spots. Supertech Block Guards are made from high strength, corrosion resistant 6061 aluminum alloy and CNC machined for precise installation.