All engine Blocks Hardblok Water Jacket Filler-Tall Fill 28Lb Bucket Hard Blok HB860228
Product Information
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. It is available in a Tall Fill (28 lb.) container for drag racing
