Spacer fits 750 carb and is 1" tall, flared and swirled on the bottom for good mixing or straight bore.
Built shorter to move the Carb closer to the intake to make low end power
Carb adapter fits a 2BRL 500cfm Holley to a 4BRL Holley pattern intake. Adapters available in straight bore, flared, oval, and also as a restrictor. Sliders are slotted to allow for the perfect placement of your carb.
Want to get more bottom end out of your crate motor? Here is the answer to that problem. Our 604 Crate spacer is 1/4'' tall and is flared into the intake, which gives you more bottom end power off the corners. NOT IMCA LEGAL
Running an open motor and want to tame it down in slick conditions to compete with the crate motor? Our one piece restricted carb spacer does just that. This is the IMCA legal one piece option available in 1" or 2" tall.
These adapt a 4412 Holley 2BRL to GM Q-Jet intake over the two rear holes. Tapered from carb diameter to intake diameter for superior HP. Also available in a straight bore for street stocks. Adapters are 1" Tall.
Jimmy Mars designed traction tuning carb spacer system allows you to have maximum power. This design option reduces power by changing the insert when the track gets slick. Available in a 1" or 2" tall version. Reducers are available in 1 1/4" with 4%...
These adapt a 4412 Holley 2BRL to a 4BRL Holley pattern intake toward the front of the intake. Flared and swirled for Superior HP