Proform GM Performance HEI Distributor w/ Coil - Adjustable Vacuum Advance - Red Cap 15-NEC-CAY 4150 square bore carb mounting

4150 square bore carb mounting flange

prevents shudder under braking and delivers greater handling control

significantly increasing its friction

1/8" NPT Port That Can Be Used for Oil Pressure Gauge or Turbo Oil Supply Port

2 in Lowered

Proform GM Performance HEI Distributor w/ Coil - Adjustable Vacuum Advance - Red Cap 15-NEC-CAY 4150 square bore carb mountingThis premium distributor includes a Genuine GM Performance Parts melonized gear (USA), which is "required on all GM Performance Parts crate engines, or serious damage will occur. " Sintered steel weights for lighter weight while withstanding 270 newtons min. for maximum durability (USA) Validated harness and capacitor for reliable energy flow Adjustable vacuum advance for fine tuning the rate and amount of advance that will result in increased power