CARBURETOR SPACERS
Holley 4BBL 4150/4160 Series Carb Spacers (Cont.) Mounting studs not included unless otherwise noted (*).
With Hardware And Gaskets
Part No.
Height
Bore Dia.
Material Type
Notes
Holley
HLY17-27 HLY17-62 HLY17-59
1"
Open Open 4 Hole
Aluminum
— — — — — — — — — — — — — — — — — — — —
Yes Yes Yes
1/2" 1/2"
Canvas Phenolic Canvas Phenolic
HVHST4150-4AL
Moroso MOR64930
1" 1"
1.75", 4 Hole
Black Thermoplastic Black Thermoplastic
No No No No No No No No No No No No No No No
MOR64940 MOR64943 MOR64945 MOR64970 MOR64980 MOR64981 MOR64985 MOR64991 MOR64996 MOR65015 MRG98 MRG98A MRG3404 MRG3405 MRG3710 MRG4945 MRG6005 MRG6006 MRG6007
Open
1/2" 1.750", 4 Hole 1/2" 1.467", 4 Hole
Canvas Phenolic Canvas Phenolic
2" 1" 1"
Open Open Open Open
Aluminum Aluminum
Billet Aluminum Billet Aluminum Billet Aluminum Billet Aluminum
1/2"
1" 1.696", 4 Hole
1"
1.75", 4 Hole
1/2"
Open Open
Wood Fiber Laminate
MOR65030 Wedge
Aluminum
5 Degree Wedge
Mr. Gasket MRG97
1/4" 1/2" 1/2"
1.670" 1.670" Open Open 1.670" Open Open
Heat Dissipaters Heat Dissipaters Heat Dissipaters
1" 1" 1" 1"
1.75", 4 Hole
Black Thermoplastic Black Thermoplastic
Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
1/2"
Heat Shields
Aluminum Aluminum Aluminum Aluminum
With 3/8" PCV Tube 1/4" Knock Out Hole
MOR64930
1" 1.625", 4 Hole
— —
2"
Open
TD Performance TRA3211 1"
1.680" Taper 1.680" Taper
Billet Aluminum Billet Aluminum
Holley/AFB Holley/AFB
TRA3212 TRA2063 TRA2280 TRA2081 TRA2084 TRA2103 TRA2461 TRA2531
2"
3/8"
Open
Aluminum Aluminum Aluminum Aluminum Aluminum
— — — —
3/8" 1.625", 4 Hole
2" 1" 1" 2" 1"
Open Open Open Open
With 3" PCV Tube
Black Thermoplastic Black Thermoplastic
—
—
Swirl Torque
Specialty Products SPE5764 1" Wehrs Machine WEHWM10604 1/4" 4 Hole Taper Willy's Carburetors WCD8850 1" 1.750-1.00 4 / Open
Dual Purpose Open, 4 Hole
Phenolic
Yes
Billet Aluminum
GM 604 Crate
No
Aluminum
Adj. Restrictor Plate
No
Wilson Manifolds WLS011111 1"
1.750" 4-Hole
Billet Aluminum Billet Aluminum Billet Aluminum
Holley 850 Holley 750
No No No No No No No No No No No No No No
WLS011311 WLS000001 WLS000010 WLS000011 WLS000030 WLS000031 WLS000050 WLS000051 WLS004110 WLS003150 WLS004130 WLS004150 WLS014210
1" 1.680" 4-Hole
1/2"
Open Open Open Open Open Open Open
— — — — — — — —
1" 1"
Hard Coat Aluminum Light Weight
Billet Aluminum
1.50" 1.50" 2.00"
Hard Coat Aluminum Light Weight
Billet Aluminum
Hard Coat Aluminum Light Weight
2" 1" 2"
Billet Aluminum
1.750" Taper
Hard Coat Aluminum Light Weight
Angled & Tapered “Dirt”
—
Billet Aluminum
1.50" 1.750" Taper 2.00" 1.750" Taper
Hard Coat Aluminum Light Weight Hard Coat Aluminum Light Weight Hard Coat Aluminum Light Weight
— — —
1"
1.550" Taper
2018 ENGINE BUILDER CATALOG
330
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