Model 5010 - Holley 4150 - 1" Phenolic "OPEN" Plenum Carb. Spacer
Model 5015 - Holley 750 - 1" Phenolic 4-Hole Carb. Spacer - STRAIGHT Bores
Model 5015-X - Holley 750 - 1" Phenolic "POWER CONE" Carb Spacer for 750 CFM Holley 4150
Model 5016 - Holley 850 - 1" Phenolic 4-hole Carb Spacer - STRAIGHT bores
Model 5020 - Holley 4150 - 1/2" Phenolic "OPEN" plenum Carb. Spacer
Model 5021 - Holley 850 - 1/2" Phenolic 4-hole Carb Spacer - STRAIGHT bores
Model 5023 - Holley 600 - 1/2" Phenolic 4-hole Carb Spacer - STRAIGHT bores
Model 5024 - Holley 750 - 1/2" Phenolic 4-hole Carb Spacer - STRAIGHT bores
Model 5025 - Holley 4150 - 1/4" Phenolic "OPEN" plenum Carb Spacer
Model 5026 - Holley 850 - 1/4" Phenolic 4-hole Carb Spacer - STRAIGHT bores
Model 5028 - Holley 4150 - 1/2" Phenolic "TWO OVALS" Carb. Spacer
Model 5029 - Holley 4150 - 1" Phenolic "TWO OVALS" Carb Spacer
Model 5036 - Holley 850 - 1" Phenolic "CLOVER LEAF"/OPEN Carb Spacer - STRAIGHT sides
