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Note: Our sales team will be away from Thursday 30th July until Tuesday 4th August. Phone lines will be unattended and email replies may be delayed. Orders will continue to be processed and shipped as normal.
Note: Our sales team will be away from Thursday 30th July until Tuesday 4th August. Phone lines will be unattended and email replies may be delayed. Orders will continue to be processed and shipped as normal.

LS1/LS2/LS6 Single Plane Mid Rise Intake Manifold HO300-137

HO300-137 - LS1-2-6 INTAKE MANIFOLD 4B/EFI
SKU HO300-137
by HOLLEY
Original price $1,104.25 +GST - Original price $1,104.25 +GST
Original price $1,104.25 +GST
$1,104.25 +GST
$1,104.25 +GST - $1,104.25 +GST
Current price $1,104.25 +GST
$1269.8875 Including GST (NZ Customers only)
Availability:
Low stock
LS1/LS2/LS6 Single Plane Mid Rise Intake Manifold

Suit Single 4150 EFI 4BBL 1000cfm Throttle Body

HO300-137

300-137

Single Plane Mid–Rise EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. Features: 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