Toggle right Slidebar




DISCOUNTS FOR ALL ACTIVE AND VETERAN EDUCATORS FIREFIGHTERS LAW ENFORCEMENT MEDICAL MILITARY CALL CHAT EMAIL TEXT FOR MORE DETAILS MAY EXCLUDE CERTTAIN ITEMS AND SOME RESTRICTIONS APPLY

Holley Mid-Rise Intake (GM LS1, LS6 & LS2)

$424.95

REVIEWS: 0
AVERAGE RATING OF 0 0 of 5 Stars!

  • 2500-7000 RPM power band
  • 4150 Square bore flange
  • Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
  • Minimum carb flange height - fit in vehicles with minimum hood modifications
  • Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
  • Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
  • Weight - 11.5 lbs.
  • Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
  • Port size - 2.50" height x 1.15" wide
  • Includes Viton O-ring intake to cylinder head gaskets - Viton is a registered trademark of DuPont Performance Elastomers
  • Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
Includes mounting bolts & washers as well as pipe plugs for Manifold vacuum and MAP sensor ports. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal. Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219.

NOTE: The EFI versions of the LS HI-Ram intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors. OE LS fuel injectors may not fit properly in the Hi-Ram EFI intake manifold fuel rail assembly. There is a kit available separately for the LS7 Hi-Ram EFI to allow the use of stock LS7 fuel injectors, P/N 300-230.


Add to Cart:

  • Model: 300-137
  • FROM: Holley

ask a question
price match

we added this on Friday 11 September, 2015.

copyright © 2003-2024 COLORADOSPEED. powered by hORSEPOWER & tORQUE