ARP Holden 308 cid with 12 bolt (early) carbureted – Head Bolt Set, Hex Head AR205-3601 Product:fits Holden 253-304-308 - 1/8" NPT boost reference

- 1/8" NPT boost reference port

The data gathered by this speed sensor is extremelyvaluable when assesing the efficiency of your turbo and engine combination at any given boost pressure and RPM

Long Thread - 24mm

This oil pan kit includesthe race oil pan

Hardened parallel-ground washers are included with each kit

ARP Holden 308 cid with 12 bolt (early) carbureted – Head Bolt Set, Hex Head AR205-3601 Product:fits Holden 253-304-308 - 1/8" NPT boost referenceHead Bolt Set, Hex Headfits Holden 253 304 308 Brand: ARP Part Number: AR205 3601 Description: High Performance Series high Performance Head Bolts Are Available With A Reduced Wrenching Hex Or 12 point And Wide Area Flanged Head That Eliminates The Need 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