PAC Racing Springs Mini 8 Degree Valve Lock 8 mm Valve Stem Standard Height Black Oxide GM LS Series (Set of 16) AKEACT1857 5 bar Manifold Absolute Pressure EQ TCC294A 5 bar Manifold Absolute Pressure (MAP) sensor for boosted applicationsOptional temperature sensor input to control timing based on temperatureFully potted electronics and sealed connectors for maximum durabilityEasily programmable through a Mini USB communication port Programmable Max Rev and Launch RPM limiters provide engine protectionConsistent holeshots thanks to a Programmable Launch Timing RetardSingle Timing Step Retard ideal for pulling timing for nitrous applicationsOn Board Data AcquisitionKits available for Chevy and Ford V8 applications with more to come Supported HP: 480+ slice(750) + '' textContent = "Show less"