Cylinder Head Bolt Kit for Pontiac 400-455 cid with Edelbrock Performer & RPM heads 60579, 60599 (mf

Cylinder Head Bolt Kit for Pontiac 400-455 cid with Edelbrock Performer & RPM heads 60579, 60599 (mfHigh Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel ground washers. Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

ARP Pro Series head bolt kits are application specific and designed to deliversuperior strength typically associated with competition engines

Specialfeatures include 1/4

Material: ARP2000

Add a touch of class to your coil bracketinstallation with an ARP bolt kit

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

They’re made from 8740 chrome moly steel

These pump drives feature a CNC milled (not broached) hex

limited rule oval track competition and street use

Available in both High Performance and Pro Series kits

there’s not a better stud setupon the market today

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 theneed for valve train removal during cylinder head retorquing

Features extra heavy springs for consistent repetition