Head Bolt Set, Hex Head AR144-3602 Turbo Cores These Aeroflow rocker arm bridge

These Aeroflow rocker arm bridge shim kits will correct excessive hydraulic lifter preload on Australian V8 engines with bridge-mounted rocker arm assemblies

able to handle 3-9 GPM Fuel Pumps Dual Springs expand operating pressure range while maintaining a low profile and reduced weight Standard spring (installed) supports 30-75 PSI base fuel pressure High Pressure spring (included) supports 75-120 PSI base fuel pressure Supports vacuum and boost reference on a 1:1 ratio with PSI

They Are Far Superior To Oem Fasteners In Terms Of Durability And Se rvice Life-fully Capable Of Ha ndling The Extra Stress Of Hig h Combustion Pressure Engines

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Head Bolt Set, Hex Head AR144-3602 Turbo Cores These Aeroflow rocker arm bridgeHead Bolt Set, Hex Headfits SB Chrysler 273 318 340 360 AR144 3602 144 3602 High Performance Series hi gh Performance Head Bolts Are Available With A Reduced Wrenc hing Hex Or 12 point And Wide Area Flanged Head That Elimina tes The Need For Valve Train R emoval To Facilitate Cylinder Head Retorquing. All High Perf ormance Series Bolts Are 180,0 00 Psi (which Is 15% Stronger Than Grade 8) And Kits Come Co mplete With Hardened Parallel ground Washers.