Availability
These Proform replacement secondary diaphragms fit all Proform carburetors and all Holley vacuum secondary carburetors except for 6-pack, 3-barrel, and early Mopar applications.
( 2 )
$20.99
These Proform performance carburetor rebuild kits include machined needle and seat assemblies, accelerator pump diaphragms, and precision non-stick die-cut gaskets with nylon inlet nut and bowl screw gaskets. They can be used with any racing gasoline, so they make an excellent choice for your street rod, race car, and even daily driver. Bring new life back to your carburetor with one of these Proform performance carburetor rebuild kits.
( 51 )
$59.99
Upgrade your carburetor with Proform secondary metering block conversions. They take the place of the carburetor's original metering plate. The block is made of billet aluminum and anodized for good looks and a long life.
( 2 )
$99.95
Finally, an affordable high performance race carburetor! Proform's new Race Series mechanical secondary carburetors are hand-assembled in the U.S.A., utilizing a Proform high-flow carburetor main body. Features include adjustable screw-in air bleeds, high performance down-leg boosters, a high rate airflow section design, a solid billet throttle baseplate, and an adjustable secondary airflow cam bracket. They also have timed and full vacuum tubes for accessories and ease of tuning, a welded throttle shaft, button Torx head throttle plate screws, power valve blowout protection, slip link mechanical linkage, and more. What does all this add up too? Easy--dyno proven horsepower and torque gains without breaking the bank!
( 67 )
$635.95
—
$794.95
Replace your existing metering block with Proform's standard replacement billet metering blocks. They are designed for use with all 2300, 4150, and 4160 models, except carburetors with an accelerator pump transfer tube or reverse-idle system. The billet-machined blocks virtually eliminate porosity problems and will improve throttle response over stock "universal" performance metering blocks. The metering blocks maintain the original timed spark or ported vacuum tube and are compatible with standard fuel bowl and metering block gaskets.
( 13 )
$105.95
Upgrade your Holley or Proform carburetor body with Proform's new billet throttle base plates. Made from solid billet instead of die-cast aluminum for added strength and durability, these base plates come with button-head Torx throttle screws, adjustable secondary airflow cam brackets, timed and full vacuum tubes for accessories and tuning, slip link mechanical secondary linkage, and power valve blow-out protection.
( 32 )
$201.95
Proform cast throttle base plates offer more quality for your carburetor and more savings for your wallet. These cast aluminum units replace your stock plates for better carburetor performance. They feature button Torx head throttle plate screws, timed and full vacuum tubes for accessories and tuning, slip-link mechanical secondary linkage, and power valve blowout protection. Are you looking for an inexpensive replacement? Proform cast throttle base plates offer a boost for your carburetor and your budget.
( 7 )
$188.99
Want to upgrade your street carburetor to a high performance race carb but don't have the means to do a complete carb swap? If you can turn a screwdriver, you can get 25 to 50 HP from these Proform main bodies. With no air horn, choke tower, or choke control to restrict airflow, they deliver extra power easily and affordably.
( 104 )
$211.95
—
$233.95
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
