Summit Racing™ Universal Harness Bar
The Summit Racing™ Universal Harness Bar is designed for use with a roll bar-style racing harness system in cars that don’t have or require a roll cage. The bar has a telescoping center section with one inner and two outer steel tubes. They bolt to mounts that attach to the car’s B-pillars with the included 5/16-inch RivNuts. The harness bar should be installed so it sits between 0 and 10 degrees below the shoulder for optimum harness angle.The bar is a bolt-in, but we recommend welding the attachment points for maximum strength. The instructions will show you how the bar installs. The Summit Racing Universal Harness Bar can be adjusted from 48 3/8 to 59 3/8 inches long.
Summit Racing™ Race Series Carburetor
Fully machined and hand assembled in the USA, the Summit Racing™ Race Series Carburetor is ideal for drag racing and street/strip applications. The 750 CFM four-barrel carburetor has a square bore mounting flange to fit most high-performance and racing intake manifolds. Features include:
- • Mechanical secondaries
- • Adjustable screw-in air bleeds
- • High-performance down-leg boosters
- • Secondary adjustable idle screw
- • Fuel bowls with nitrophyl floats and Jet extensions for improved WOT performance
- • Four-corner idle circuit
- • Smooth milled choke
Summit Racing™ Pro BBC 4-7 Swap Hydraulic Roller Camshafts
Made in the USA from billet bearing steel and finished on Landis grinders, Summit Racing™ Pro BBC 4-7 Swap Hydraulic Roller Camshafts have a 4/7 firing order (1-8-7-3-6-5-4-2). This helps reduce vibration and bearing wear and improves combustion chamber cooling for reduced detonation. Changing the cylinder pairing from 5/7 to 4/2 can help you pick up more power in the midrange and a small amount up top with no other changes.
Pro BBC 4-7 Swap Hydraulic Roller Camshafts have wide lobe separations and more advance ground in. Although the advance may seem larger than normal, it's designed for maximum power under the curve. Just install your cam straight up and you’re good to go.
We designed the camshafts around PAC Racing valve springs similar to the spring packs used in popular big block Chevy cylinder heads. A melonized or composite distributor gear and billet cam-compatible mechanical fuel pump pushrod are required.
Summit Racing Equipment
www.summitracing.com
1-800-230-3030
