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$1,057.29
$617.99
Doug's Headers D300Y-SP Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, CC
Doug's Headers D300Y-SP Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, CC

Doug's Headers D300Y-SP Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, CC

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Doug's Headers D300Y-SP Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, CC
Doug's Headers D300Y-SP Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, CC
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We estimate this item will ship on or before October 20th.
Part # 447D300YSP
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Dougs Headers to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

MFG. Part #:
D300Y-SP
GTIN Code:
694342506902

Info

Coated Header for Chevy/GMC 2WD & 4WD Trucks & SUV with Single Smog Pump

  • 1/2, 3/4, 1 Ton/ 1500, 2500, 3500 Trucks (73-87) 265-400
  • 1 Ton/3500 Crew, Standard Cab Dually (73-87) 265-400

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.

Application

1975-1977 GMC C15 Suburban 5.7L/350 V8
1976-1978 GMC C15 Suburban 5L/305 V8
1973-1974 GMC C15/C1500 Pickup 5.7L/350 V8
1973 GMC C15/C1500 Pickup 5L/307 V8
1973-1974 GMC C15/C1500 Suburban 5.7L/350 V8
1973 GMC C15/C1500 Suburban 5L/307 V8
1982-1986 GMC C1500 Suburban 5.7L/350 V8
1979-1986 GMC C1500 Suburban 5L/305 V8
1982-1986 GMC C1500 Suburban 6.2L/379 V8
1979-1986 GMC C1500 5.7L/350 V8
1979-1986 GMC C1500 5L/305 V8
1982-1986 GMC C1500 6.2L/379 V8
1979-1980 GMC C1500 6.6L/400 V8

Notes

  • Doug's Headers D300Y-SP 1 5/8" Tri-Y Header Chevrolet Truck with Single Smog Pump Fitting Small Block Chevrolet 73-87 Metallic Ceramic Coating
  • Tri-Y Design - Ceramic Coated
  • With single smog pump
  • Fits D-Port cylinder heads including ZZ4 crate engines
  • requires left side A/C bracket part number H7608
  • vehicles with short compressors can use stock bracket
  • Fits most angle plug heads including factory Chevrolet Bow-Tie heads
  • Requires left side A/C bracket P/N H7608
  • Will fit most angle plug heads including factory Chevrolet Bow-Tie heads
  • With A/C
  • without Catalytic Converter
  • For Off-Road Use Only
Some parts are not legal for use in California or other states with similar laws/regulations

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