Hex Head Black Oxide Finish for Ford 429-460 cid*

Hex Head Black Oxide Finish for Ford 429-460 cid*Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

Material 2: Custom Age 625+

(inside diameter) chamfers

or use the chart on page 25 of thiscatalog for ARP fasteners

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

making it ideal for the application

It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

Not to be used with OEM-style

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

000 psi for the ARP2000® material

It’s important to note that lesser quality studsare not even centerless ground – the material is thread rolled inbar stock form (mostly before heat-treat

Ford GM 10- & 12-bolt rear ends to the beefy Strange differentials found in Top Fuel and Funny Car applications