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 5022 - Holley 390 - 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
Model 5040 - AFB/Edelbrock - 1/4" Phenolic "OPEN" Plenum
Model 5041 - AFB/Edelbrock - 1/2" Phenolic "OPEN" Plenum
Model 5042 - AFB/Edelbrock 500 & 600 cfm - 1/2" Phenolic 4-Hole
Model 5043 - AFB/Edelbrock 750 cfm - 1/2" Phenolic 4-hole
Model 5050 - Rochester QUADRAJET - 1/4" Phenolic 4-hole Carb Spacer
Model 5051 - Rochester QUADRAJET - 1/2" Phenolic 4-hole Carb Spacer
Model 5052 - Rochester QUADRAJET -1/2" Phenolic "OPEN" plenum Carb Spacer
Model 5053 - Rochester QUADRAJET - 1" Phenolic 4-hole Carb Spacer
Model 5054 - Rochester QUADRAJET -1" Phenolic "OPEN" plenum Carb Spacer
Model 5060 - Holley 4500 Dominator - 1/4" Phenolic 4-hole Carb Spacer
