Doug's Headers Long Tube Header 65-70 Pontiac 326-455 1 3/4" Primary 3" Collector 304 Stainless
- Mfg Part #
- D521-SS
- SKU
- DOUD521-SS
- Brand
-
Doug's Headers
- Fitment Note
- Fits D-Port heads Only.; Some factory heads do not have end bolt holes and should be drilled and tapped to assure proper sealing.; 304 Stainless Steel; Full-length
Fits 1965 to 1968 Pontiac Bonneville, Catalina, Grand Prix. 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
$1,399.99 CAD
Free shipping in Canada
Availability:
Product is backordered at the supplier right now, availability is unknown at this time. Contact us
In stock
At our Burlington, Ontario store: same-day pickup is typically available, or it ships on the date shown.
External warehouse stock
At a partner warehouse: we order it right away and it ships on the date shown.
Manufacturer stock
Available at the manufacturer: we order it for you right away and it ships on the date shown.
Backorder
Backordered at the supplier, availability unknown: we order it right away and allow about 2 weeks before your order ships. Contact us to check.
Universal Fitment
Does this fit your vehicle?
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
| Year | Make | Model | Engine |
|---|---|---|---|
| 1965 - 1966 | Pontiac | Bonneville | 6.4L 389 V8, 6.9L 421 V8 |
| 1967 - 1968 | Pontiac | Bonneville | 6.6L 400 V8, 7.0L 428 V8 |
| 1965 - 1966 | Pontiac | Catalina | 6.4L 389 V8, 6.9L 421 V8 |
| 1967 - 1968 | Pontiac | Catalina | 6.6L 400 V8, 7.0L 428 V8 |
| 1965 - 1966 | Pontiac | Grand Prix | 6.4L 389 V8, 6.9L 421 V8 |
| 1967 - 1968 | Pontiac | Grand Prix | 6.6L 400 V8, 7.0L 428 V8 |