Map Sensor 3 Bar Gm Style Universal with Harness Speedmaster has redesigned the power

Speedmaster has redesigned the power gear sets to incorporate four pinion gears--unlike a stock 3-pinion style--to increase their load-handling characteristics

then these Speedmaster differential bearing cap stud kits are for you

for increased strength and improved register

Speedmaster high-volume water pumps have a ribbed aluminum housing and a heavy-duty ball/roller bearing assembly

Small Block Chevy heads are available with Straight or Angled sparkplugs

Map Sensor 3 Bar Gm Style Universal with Harness Speedmaster has redesigned the powerSpeedmaster sensors measure the load being placed on the engine by monitoring the intake manifold vacuum. It relays the load output to the ECU which adjusts the fueling for optimum performance and economy.