Standard Holley/Sea Demon Super Suck 1" Spacer 

Standard Holley/Sea Demon Super Suck Spacer

How does 10 to 15 horsepower sound in only 15 minutes. That's right we'vetested this and now we're believers and users of this awesome product. Theunique design of the center section of this spacer actually speeds up the airflow into the engine. We all know more air in equals more power out. This unitworks on either single or dual plane intake manifolds with a square flangecarburetor mounting pad. You won't be disappointed.