1-3/4″ W2 SB Step Headers

Retail Price: $984.00

Your Estimated Price: $0.00

Design: Cylinder head center bolt-hole pattern spread must measure 3-15/16″ to use this header!
Primary tube size: 1-5/8″ O.D.
Secondary tube size: 1-3/4” O.D.
Collector size: 3″ with 3″ 3-bolt flange.
Flanges: 3/8″ thick, laser-cut, contoured for a leak free fit.
Material: Constructed of 16 gauge mild steel tubing. Mandrel bent on sophisticated computer controlled bending machines for precise fit and uninterrupted exhaust flow. The mandrel bending process maintains a constant inside diameter of the tube for a smoother finish with no restriction of flow and no crimping of the tubes.
Step design: Provides low-end response and top-end horsepower gain.
Under chassis design: Above the steering center link design offers maximum header to ground clearance.
Full length header design: Proven power gains vs. shorty design.
Recommended for: 320-575 horsepower range.
Torsion bar removal: Not required.
Header set includes: Header gaskets, 12 header bolts, header reducer adapters with 3-bolt gaskets & hardware.

SKU: 360-H6-340AW2-C4 Categories: 360 Small Block, TTI Headers

Description

Platform:	67-76 A-BODY, 62-79 B-BODY, 70-74 E-BODY 76-80 F-BODY and 77-88 M-BODY CHASSIS. [Check your engine location: See FN39 for the factory dimensions]
Engine size:	273, 318, 340, 360 A/LA-engines, 402 crate, 408 Magnum crate, Mopar 440 Super Commando crate
Cylinder head:	W2 Econo 3870810, W2 Race P4532693, Aluminum Magnum P4532900, Large Port Commando P4532795 Note: Your cylinder head center bolt hole pattern spread must measure 3-15/16″ from the center of the left bolt hole to the center of the right bolt hole for these headers to fit. [See Bolt-hole measurement for illustration]
Spark Plugs:	STRAIGHT or ANGLED
Front Suspension:	OEM with torsion bars. COILOVER without torsion bars (RMS Alterktion, Magnumforce XRT Tubular K-frame or Control Freak) Steering Linkage: OEM with torsion bars or Rack & Pinion without torsion bars. Headers will not clear UniSteer Performance Rack and Pinion. 67-76 A-body applications: Headers will not clear Firm Feel fast ratio pitman & idler arm. The Firm Feel arm is 3/4″ longer than the stock arm. (The OEM arm measures 5-1/4″ from center to center)
Engine Mounts:	OEM Headers fit with Schumacher Creative Services engine mounts or equivalent.

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