Hard Blok Engine Block Filler - Tall Fill - (2) 14 lb. Bags 130902 396 needs 3

396 needs 3

1996-1999 GMC K1500

Yellow Plastic Knob

and close to allow fan to draw air through the core of the radiator at rest

Hard Blok Engine Block Filler - Tall Fill - (2) 14 lb. Bags 130902 396 needs 3Hard Blok Water Jacket Filler Is a Specially Formulated, Cement Based Product With Refined, Size Graded Iron Particles Combined At An Optimum Ratio To Provide Maximum Strength, Vibration Dampening, and Heat Dissipation Required In High Performance Race Engines. Its Coefficient Of Thermal Expansion Is Identical To Cast Iron Engine Blocks. Product Has Been Tested and Proven Effective In Aluminum Blocks. Remains Stable At All Operating Temperatures. Does