4.400 ring compressor

4.400 ring compressorMaterial: Aluminum Finish: Black Anodized Material 2: Finish 2: Origin: USA

They’re offered in a variety of heights to accommodate most any combination of carb and spacer

which gives themabout 2000% (that’s twenty times) better fatigue strength thanthose studs that are threaded prior to heat-treat (a very commonindustry practice)

with threads rolled after heat treat to ensure the optimum fatigue strength

” Totally reliable

The parts are CNC machined from solid aluminum billet (6061) or 1018 mild steel

drive ratchet orbreaker bar to facilitate rotating the crank assembly

These premium grade bolts are engineered to properly engage the manifold threads and resist loosening

They are both forged from aerospace alloy and heat-treated prior to thread rollingand machining

Don’t chance it

the compact 12-point nut lets you easily slip a socket close to the pipe

ARP has developed these sophisticated and durable pushrods

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place