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Doug's Headers D370Y Tri-Y Header, 78-88 G-Body, CC

-9%

Doug's Headers D370Y Tri-Y Header, 78-88 G-Body, CC
Doug's Headers

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#447D370Y

Doug's Headers D370Y Tri-Y Header, 78-88 G-Body, CC

$989.41

/set

Factory Shipped

$1,088.35

Save $98.94


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Product Summary

Tri-Y Header Tube Type, Oval Exhaust Port Shape, Steel

    See more details

    Key Specs

    MFG. Part #D370Y
    Header Tube TypeTri-Y
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    See more specs

    Need To Know

    Need help?

    855.313.9176
    View the Help Center

    Quick and Easy Returns

    Return Policy

    Doug's Headers D370Y Details

    Doug's PASSENGER CAR HEADERS Tri-Y Metallic Ceramic Coated

    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 is finished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

    • D370Y 1 5/8"-2" Tri-Y Header G Body Metric Chassis Chev Malibu 78-83 El Camino 78-87 Monte Carlo 78-88 Cutlass Supreme 78-88 Calais 78-84 Crusier 78-87 Pontiac Grand Prix 82-86 Bonneville with 265-400 Chev Engines Metallic Ceramic Coating
    • Tri-Y Design - Ceramic Coated
    • Does not fit power glide transmission
    • Fits D-Port cyl. heads incl. ZZ4 crate engines
    • Fits most angle plug heads
    • req. left side A/C bracket P/N H7608
    • vehicles with short compressors can use stock bracket
    • Req. removal or modification of locking strg. c
    • with A/C
    • D370Y 1 5/8"-2" Tri-Y Header G Body Metric Chassis Chev Malibu 78-83 El Camino 78-87 Monte Carlo 78-88 Cutlass Supreme 78-88 Calais 78-84 Crusier 78-87 Pontiac Grand Prix 82-86 Bonneville with 265-400 Chev Engines Metallic Ceramic Coating
    • Tri-Y Design - Ceramic Coated
    • Does not fit power glide transmission
    • Fits D-Port cyl. heads incl. ZZ4 crate engines
    • Fits most angle plug heads
    • req. left side A/C bracket P/N H7608
    • vehicles with short compressors can use stock bracket
    • Req. removal or modification of locking strg. c
    • with A/C

    Application

    1979-1982 Chevrolet El Camino 4.4L/267 V8
    1978-1984 Chevrolet El Camino 5.7L/350 V8
    1978-1987 Chevrolet El Camino 5L/305 V8
    1979-1982 Chevrolet Malibu 4.4L/267 V8
    1978-1983 Chevrolet Malibu 5.7L/350 V8
    1978-1983 Chevrolet Malibu 5L/305 V8
    1979-1982 Chevrolet Monte Carlo 4.4L/267 V8
    1982-1984 Chevrolet Monte Carlo 5.7L/350 V8
    1978-1988 Chevrolet Monte Carlo 5L/305 V8
    1978-1981 Oldsmobile Cutlass 5.7L/350 V8
    1978-1987 Oldsmobile Cutlass 5L/305 V8
    1982-1984 Pontiac Bonneville 5.7L/350 V8
    1983-1986 Pontiac Bonneville 5L/305 V8
    1980-1981 Pontiac Grand Prix 4.3L/265 V8
    1978-1980 Pontiac Grand Prix 4.9L/301 V8
    1981-1984 Pontiac Grand Prix 5.7L/350 V8
    1978-1987 Pontiac Grand Prix 5L/305 V8

    Charts

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
    CA Prop 65
    CARB warning

    Doug's Headers D370Y Specifications

    KEY SPECS
    MFG. Part #D370Y
    BrandDoug's Headers
    Header Tube TypeTri-Y
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel
    ColorBlack
    Weld-UpNo
    Collector Diameter2-1/2 Inch
    FinishHi-Temp Black
    Hardware IncludedYes
    Gasket(s) IncludedYes
    GENERAL
    Sold in QuantityPair
    GTIN Code694342540524

    Questions & Answers

    1 Question • 1 Answer

    will these headers work on 85 el camino with 4spd trans

    by DENNIS

    • 8 years ago

    1 answer

    View Answer

    1 of 1 questions shown

    Fitment

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    Customer Impersonation Script