Doug's Headers D375Y Tri-Y Header, 1-5/8 In, 67-74 Camaro, CC
Chevy Small Block V8, Tri-Y Header Tube Type, Metallic Ceramic Coating, Oval Port Flange Style
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Coated Chevy Camaro (67-74) 265-400 Engine, Chevelle (68-74) 265-400 Engine, Chevy II, Nova (68-72) 265-400 Engine, El Camino (68-74) 265-400 Engine, Passenger Car, Wagon (65-70) 265-400 Engine, 2WD 1/2, 3/4, 1 Ton/1500, 2500, 3500 Trucks (65-66) 265-400 Engine. This part comes standard with Metallic Ceramic Thermal Barrier Coating (MCTBC). MCTBC protects and extends the life of headers by creating a thermal barrier that significantly lowers underhood temperatures and protects the substrate metal from thermal fatigue. It also provide corrosion resistance to protect it for years to come.
Please see our online catalog for specific application information.
Every Dougs header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.Every Dougs header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.
- 3/8" Thick machined flanges...no warping
- CNC mandrel bent tubes... accurate fit & better flow
- Tri-Y headers yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy
- Heavy 16 gauge tubing...longer life
- Tubes are pre-polished to remove scratches and the header isfinished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees
Application1965-1967 Chevrolet Bel Air 4.6L/283 V8
1965-1969 Chevrolet Bel Air 5.3L/327 V8
1969-1970 Chevrolet Bel Air 5.7L/350 V8
1968 Chevrolet Bel Air 5L/307 V8
1965-1969 Chevrolet Bel Air 6.5L/396 V8
1967 Chevrolet Camaro 4.6L/283 V8
1967-1969 Chevrolet Camaro 4.9L/302 V8
1968-1970 Chevrolet Camaro 5.7L/350 V8
1970-1973 Chevrolet Camaro 5L/307 V8
1966-1967 Chevrolet Caprice 4.6L/283 V8
1966-1969 Chevrolet Caprice 5.3L/327 V8
1969-1970 Chevrolet Caprice 5.7L/350 V8
1968 Chevrolet Caprice 5L/307 V8
1966-1969 Chevrolet Caprice 6.5L/396 V8
1964-1967 Chevrolet Chevelle 4.6L/283 V8
1964-1968 Chevrolet Chevelle 5.3L/327 V8
1968-1973 Chevrolet Chevelle 5.7L/350 V8
1968-1973 Chevrolet Chevelle 5L/307 V8
1965-1969 Chevrolet Chevelle 6.5L/396 V8
1970-1973 Chevrolet Chevelle 6.6L/400 V8
1968 Chevrolet Chevy II 5.3L/327 V8
1968 Chevrolet Chevy II 5.7L/350 V8
1968 Chevrolet Chevy II 5L/307 V8
1968 Chevrolet Chevy II 6.5L/396 V8
1965-1968 Chevrolet Corvette 5.3L/327 V8
1969-1970 Chevrolet Corvette 5.7L/350 V8
1965 Chevrolet Corvette 6.5L/396 V8
1964-1967 Chevrolet El Camino 4.6L/283 V8
1964-1969 Chevrolet El Camino 5.3L/327 V8
1968-1977 Chevrolet El Camino 5.7L/350 V8
1976-1977 Chevrolet El Camino 5L/305 V8
1968-1973 Chevrolet El Camino 5L/307 V8
1966-1969 Chevrolet El Camino 6.5L/396 V8
1970-1976 Chevrolet El Camino 6.6L/400 V8
1965-1967 Chevrolet Impala 4.6L/283 V8
1965-1969 Chevrolet Impala 5.3L/327 V8
1969-1970 Chevrolet Impala 5.7L/350 V8
1968 Chevrolet Impala 5L/307 V8
1965-1969 Chevrolet Impala 6.5L/396 V8
1964-1967 Chevrolet Malibu 4.6L/283 V8
1964-1967 Chevrolet Malibu 5.3L/327 V8
1973-1977 Chevrolet Malibu 5.7L/350 V8
1976-1977 Chevrolet Malibu 5L/305 V8
1973 Chevrolet Malibu 5L/307 V8
1965-1967 Chevrolet Malibu 6.5L/396 V8
1973-1976 Chevrolet Malibu 6.6L/400 V8
1970 Chevrolet Monte Carlo 5.7L/350 V8
1969-1972 Chevrolet Nova 5.7L/350 V8
1969-1972 Chevrolet Nova 5L/307 V8
1969 Chevrolet Nova 6.5L/396 V8
1965 GMC 1500 Series 5L/305 V6
1965 GMC 2500 Series 5L/305 V6
1967 Pontiac Firebird 5.3L/326 V8
1968-1971 Pontiac Firebird 5.7L/350 V8
1967-1974 Pontiac Firebird 6.6L/400 V8
- Doug's Headers D375Y 1 5/8" Tri-Y Header Chevrolet Camaro Small Block Chevrolet 67-74 Metallic Ceramic Coating
- Tri-Y Design - Ceramic Coated
- Collector: 2 1/2
- Port: OVL
- Primary: 1 5/8 - 2
- Does not fit W/powerglide trans
- exc. states w/Calif. emission stds
- Fits D-Port heads
- use left side AC bracket H7608
- removal/modification of locking steering column reqd.
- with A/C
- For Off-Road Use Only
- with Floor Shifter
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Q & A
Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
Wouldn't it be nice to get the best of both worlds out of your headers? Speedway Motors has solved that problem with our exclusive heat resistant Armor Hot Coating. Now you can keep that great look with longer life.
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Tim gives a little bit of history on the Ford Y Block and shows some of the parts we have to offer.
In this Tech Tip, John explains the design behind a set of headers destined for a Tri-5 using a traditional rack and pinion style steering system.
In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.
In this Tech Tip, one of our customers asks for a suggestion on exhaust headers for his 1933 pickup.