from 100-150 hp fits standard holley 4-barrel carburetor/square bore applications ... from 100-150 hp fits quadra-jet 4-barrel carburetor/square bore applications ... -nbnos sniper systems fits all popular 4 bbl applications the sniper is a fully ... from 100150 extra horsepower in popular 4 bbl square bore or spread bore ... you can get more than you bargained for in dyno tests conducted by chevy high ... an extra 163 horsepower when plates throttle bodies nitrous controllers electrical ... 62 installed on a 355 cid small block chevy with torque increased by an astounding ... a fuel pump designed to operate between 4.5 and 7 psi with a flow rate of 0.1 ... gallons per horsepower at 6 psi for example an engine that produces 350 ... above it is recommended that heavy-duty forged components be used tm system ...