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$47.05More detailed
MOR-64930 | Moroso Carburetor Spacer with 1in Insulating Plastic for Holley 4150/4160 bolt pattern and 4-hole plenum design with 1.75in bclose
MOR-64930 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
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$47.42More detailed
MOR-64940 | Moroso Carburetor Spacer with 1in Insulating Plastic for Holley 4150/4160 bolt patternclose
MOR-64940 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
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$48.65More detailed
MOR-64943 | Moroso Carburetor Spacer with 1/2" Insulating Phenolic for Holley 4150/4160 bolt pattern w/4-hole plenum design w/1.75" dia bclose
MOR-64943 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
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MOR-64945 | Moroso Carburetor Spacer with 1/2" Insulating Phenolic for Holley 4150/4160 bolt pattern w/4-hole plenum design w/1.467" diaclose
MOR-64945 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
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$40.70More detailed
MOR-64947 | Moroso Carburetor Spacer with 1/2in Insulating Phenolic for Holley 4500 Dominator bolt pattern with open plenum designclose
MOR-64947 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
- Prices just dropped!
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$77.74More detailed
MOR-64951 | Moroso 1in Thick Carburetor Spacer for Holley 4500 Series with open plenum designclose
MOR-64951 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
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$77.90More detailed
MOR-64970 | Moroso 2in Cast Aluminum Carburetor Spacer for Holley 4150/4160 bolt pattern with open plenum designclose
MOR-64970 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
- Prices just dropped!
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$64.15More detailed
MOR-64980 | Moroso 1in Cast Aluminum Carburetor Spacer for Holley 4150/4160 bolt pattern with open plenum designclose
MOR-64980 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
- Prices just dropped!
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$81.77More detailed
MOR-64981 | Moroso 1in Thickness Carburetor Spacer for Holley 4150/4160 bolt pattern with open plenum designclose
MOR-64981 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
- Prices just dropped!
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$58.39More detailed
MOR-64985 | Moroso 1/2in Thickness Carburetor Spacer for Holley 4150/4160 bolt pattern with open plenum designclose
MOR-64985 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
- Prices just dropped!
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$83.12More detailed
MOR-64991 | Moroso 1in Thickness Carburetor Spacer for Holley 4150/4160 bolt pattern with 4-hole plenum design and w/1.696in dia boresclose
MOR-64991 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
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$81.85More detailed
MOR-64996 | Moroso 1in Thickness Carburetor Spacer for Holley 4150/4160 bolt pattern with 4-hole plenum design and with 1.750in dia boresclose
MOR-64996 By using Moroso carburetor spacers to extend the length of the intake mixture column, you can improve the air/fuel distribution. Open and 4-hole spacers are available to help improve your engine's output. Open plenum spacers will help to increase high-rpm power, while 4-hole spacers help to increase midrange torque. The spacers are available in aluminum, phenolic plastic, and phenolic wo..
- Prices just dropped!
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MOR-65000 | Moroso 2in Cast Aluminum Carburetor Adapter for Holley4500 Dominator carburetor to Holley 4150/4160 intake manifoldclose
MOR-65000 Moroso adapters are available in phenolic plastic and aluminum. They can be used to bridge a variety of configurations, such as a 2-barrel carburetor to a 4-barrel manifold, a square bore carburetor to a spread bore manifold, or a 4500 Series carburetor to a 4150/4160 Series bolt pattern. The adapters are offered with or without porting, and in varying heights. Moroso - MOR-65000..
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$55.36More detailed
Moroso 1in Cast Aluminum Carburetor Spacer for Holley 4500 Dominator bolt pattern w/open plenum designclose
Can easily be mounted with one of the Moroso Carburetor Stud Kits No. 37950, 37960 or 37961 Open plenum aluminum carb spacers increase plenum volume for high RPM power Four-hole carb spacers increase mixture velocity for more midrange torque..
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