Carburetor Metering Blocks & Jet Kits for Holley | PROFORM
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Carburetor Metering Blocks & Jets

Billet metering blocks, conversion kits, and jet kits.

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5 products
Carburetor Metering Block; Race-Oriented Calibration; Holley 4150/4160; Black
PART #67150BK
Carburetor Metering Block
Race Calibration Model
Carburetor Metering Block; Standard Replacement for 2300
PART #67166C
Carburetor Metering Block
Standard Replacement
Engine Carburetor Metering Block Upgrade Kit; Fits 750-850 CFM 4150 Style Carbs
PART #67165C
Carburetor Metering Block
Upgrade Conversion Kit
Carburetor Metering Block; Secondary Conversion Kit for Dual Inlet Vac-Sec Carbs
PART #67163C
Carb. Metering Block Kit
Secondary Conversion Kit
Carburetor Metering Block; Race-Oriented Calibration; Holley 4150/4160 Models
PART #67150C
Carburetor Metering Block
Race Calibration Model
5 products
PROFORM metering blocks put the fuel curve in your hands. The line runs race-oriented billet metering blocks for Holley 4150/4160 carbs in black and clear anodized finishes, secondary metering block conversion kits for dual-inlet setups, a 750-850 CFM upgrade kit, a standard replacement for the 2300, and a 4160-to-4150 secondary metering plate conversion. Gas jet kits step from No. 70 through No. 100 for tuning the mixture, and non-stick fuel bowl and metering block gaskets keep the job clean. Everything to re-jet, convert, or upgrade the metering side of a Holley-pattern carb.
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