Dominator Dirt Late Model Spoiler - Adjustable - 72 x 8 in - Yellow ARW50-284740 Holley has included a HydraMat

Holley has included a HydraMat with its unique internal reservoir

1975-1996 Chevrolet Impala

or you can even manually enter temps taken previously to compute averages

1979-1987 GMC G2500

Dominator Dirt Late Model Spoiler - Adjustable - 72 x 8 in - Yellow ARW50-284740 Holley has included a HydraMatProduct Description: Spoiler 72 x 8 in Adjustable 2 Piece Plastic Yellow Dirt Late Model Aerotech Styling innovative new Dominator Dirt Nose & Flare design is truly cutting edge; a new standard in the racing industry! Not only do they look awesome, but the integrated air flow tunnel effect maximizes downforce by directing air over the nose and across the hood and deck of your car. Dominator Flares tuck under the nosepiece for a seamless fit.