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Doug's Headers Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector 304 Stainless for Pontiac

Mfg Part #
D590-SS
NP#
DOUD590-SS
Brand
Doug's Headers
Fitment Note
Requires removal or modification of locking steering columns if equipped.; Some factory heads do not have end bolt holes and should be drilled and tapped to assure proper sealing.; Fits D-Port heads Only.; 304 Stainless Steel; Full-length

Fits 1968 to 1972 Pontiac GTO, LeMans, Tempest. See every vehicle

  • Natural stainless-steel finish offers superior resistance to rust and corrosion
  • 3/8" thick 304 stainless machine flanges to prevent warping
  • CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
  • Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower
$1,451.99 CAD Free shipping in Canada, ships Thursday, October 1
Free shipping in Canada, ships Thursday, October 1Free shipping in Canada
Availability: This item is available at a partner warehouse.

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Description

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.

Fits these vehicles

YearMakeModelEngine
1968 - 1969PontiacGTO6.6L 400 V8
1970 - 1972PontiacGTO6.6L 400 V8, 7.5L 455 V8
1968 - 1969PontiacLeMans5.7L 350 V8, 6.6L 400 V8
1970 - 1972PontiacLeMans5.7L 350 V8, 6.6L 400 V8, 7.5L 455 V8
1968 - 1970PontiacTempest5.7L 350 V8, 6.6L 400 V8

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