Recommended static compression ratio depends on the specific grind
and fuel pumps without removing components
The ARP 300-8248 ARP Perma-Loc Rocker Arm Adjusters provides precise valvetrain geometry and reliable rocker arm mounting for high-performance cylinder heads
Using properly engineered valve spring components ensures reliable performance and proper integration with existing vehicle systems
The housing is precision-cast from high-strength aluminum alloy
Hypertech ThermoMaster Computer Chips Eaton Posi Performance Differentials Recommended static compression ratio dependsThe Hypertech ThermoMaster Computer Chips (ref 5762) is a classic ECM performance upgrade from Hypertech that replaces your vehicle's stock calibration EPROM with a professionally tuned chip. For selected GM, Ford, and Dodge vehicles from the 1990s and early 2000s, the ThermoMaster optimizes air fuel ratios, ignition timing, and rev limiters for real world power gains. It's the original plug in performance chip no wires, no modules, no guesswork.