EFI Intake Manifold with Fuel Rails Fit for GM Gen III/IV LS1/LS2/LS6 Cathedral Port 300-137 534-219 77044843
OEM Part Number
300-137
534-219
HH6313S
HH0862S
HH6449RS
Fit For the Following Models
Fitment: Fits for GM Gen III or Gen IV LS engines with LS1/LS2/LS6 cathedral port cylinder heads
Features:
Optimized runner layout and constant cross sectional area - broad torque curve
Minimum carb flange height - fits most vehicles with minimum hood modifications
Cast aluminum construction - great manifold for LS swaps, centrifugal blower, turbocharged or NOS power adder applications
Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
Flange: 4150 square bore flange
Color: Silver (Bare Cast Aluminum)
Material: Aluminum
Placement on Vehicle: Front, Upper
Engine Size: LS1/LS2/LS6 GM Gen III/IV Cathedral Port Head
Type: Intake Manifold
Items Included: Gasket, Mounting Hardware, Fuel Rails