1965-76 Chevy Big Block 396/402/427/454 1 3/4" 304 Stainless Steel Long Tube Header
Highlights
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.
Many direct fitments with Chevy Big Blocks (396-502) are available. Please refer to the product page for applications. This product can also be used in Chevy Big Block (396-502) engine swaps.
- 3/8” thick 304 stainless machined 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
- Durable 16 gauge tubing
- 1 3/4" Primary Tubing Diameter
- 3" Collector Port Diameter
- Same as Port Port Shape
- 304 Stainless Steel
Naturally resistant to rust and corrosion, 304 stainless stands up to heat and the elements without the need for additional coatings. The durable construction maintains its strength and appearance over time, while the sleek finish adds a performance-driven style under the hood. It’s a reliable, long-term solution for enthusiasts who want both function and form.
Highlights
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.
Many direct fitments with Chevy Big Blocks (396-502) are available. Please refer to the product page for applications. This product can also be used in Chevy Big Block (396-502) engine swaps.
- 3/8” thick 304 stainless machined 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
- Durable 16 gauge tubing
- 1 3/4" Primary Tubing Diameter
- 3" Collector Port Diameter
- Same as Port Port Shape
- 304 Stainless Steel
Naturally resistant to rust and corrosion, 304 stainless stands up to heat and the elements without the need for additional coatings. The durable construction maintains its strength and appearance over time, while the sleek finish adds a performance-driven style under the hood. It’s a reliable, long-term solution for enthusiasts who want both function and form.
Description
Highlights
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.
Many direct fitments with Chevy Big Blocks (396-502) are available. Please refer to the product page for applications. This product can also be used in Chevy Big Block (396-502) engine swaps.
- 3/8” thick 304 stainless machined 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
- Durable 16 gauge tubing
- 1 3/4" Primary Tubing Diameter
- 3" Collector Port Diameter
- Same as Port Port Shape
- 304 Stainless Steel
Naturally resistant to rust and corrosion, 304 stainless stands up to heat and the elements without the need for additional coatings. The durable construction maintains its strength and appearance over time, while the sleek finish adds a performance-driven style under the hood. It’s a reliable, long-term solution for enthusiasts who want both function and form.
