HardBlok Auto Jacket Filler Engine Block Filler, Tall Fill, Two 14 lb. Bags, Kit
- Hard Block has the optimum ratio of graded iron for strength and vibration dampening. Its thermal coefficient is nearly identical to cast iron, and also proven to work in aluminum blocks.
- It won't shrink nor pull away from cylinder walls.
- It is stable when exposed to water, anti-freeze, and high temperatures.
- Short Fill (12.5 lb.) container to partially fill the jackets of your street or Oval Track engine
- More Horsepower
- Stiffens Cylinder Walls
- Reduces Blow-By & compression loss
- Extended Engine Life
- Dampens Harmonic Vibrations
- Adds Bottom End rigidity
Quantity:Tall Fill, IncludesTwo 14 lb. Bags, Kit
NOTE: HardBlok is Also available as Short Fill (12.5 lb.)