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Patriot Exhaust H8021-B Clipper Header, 64-94 GM
Patriot Exhaust H8021-B Clipper Header, 64-94 GM

Patriot Exhaust H8021-B Clipper Header, 64-94 GM

Chevy Small Block V8, Mid-Length Header Tube Type, Hi-Temp Black, Round Port Flange Style

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Patriot Exhaust H8021-B Clipper Header, 64-94 GM
Patriot Exhaust H8021-B Clipper Header, 64-94 GM
Patriot Exhaust H8021-B Clipper Header, 64-94 GM
Patriot Exhaust H8021-B Clipper Header, 64-94 GM
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We estimate this item will ship on or before August 21st.
Part # 447H8021B
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Header Tube Type:
Hi-Temp Black
Flange Style:
Round Port
Primary Tube Diameter:
Material Type:
MFG. Part #:
Collector Diameter:
3 Inch
Hardware Included:
Gasket(s) Included:
Sold in Quantity:
GTIN Code:


  • Mid length or "clippster" headers provide improved ground clearance for popular muscle cars and street rods.
  • Durable 16 and 18 gauge tubing
  • Comes complete with gaskets, header bolts and collector reducers.
  • Available in three finishes; raw steel for individual customizing, Hi-Temp Black Coating or Metallic Ceramic Thermal Barrier Coating
  • Limited One Year Warranty


1971-1975 Chevrolet Bel Air 5.7L/350 V8
1971-1974 Chevrolet Bel Air 6.6L/400 V8
1971-1972 Chevrolet Biscayne 5.7L/350 V8
1971-1972 Chevrolet Biscayne 6.6L/400 V8
1980-1981 Chevrolet Camaro 4.4L/267 V8
1967-1981 Chevrolet Camaro 5.7L/350 V8
1976-1981 Chevrolet Camaro 5L/305 V8
1969-1973 Chevrolet Camaro 5L/307 V8
1971-1994 Chevrolet Caprice 5.7L/350 V8
1971-1976 Chevrolet Caprice 6.6L/400 V8
1964-1967 Chevrolet Chevelle 4.6L/283 V8
1964-1968 Chevrolet Chevelle 5.3L/327 V8
1969-1973 Chevrolet Chevelle 5.7L/350 V8
1968-1973 Chevrolet Chevelle 5L/307 V8
1970-1971 Chevrolet Chevelle 6.6L/400 V8
1964-1967 Chevrolet El Camino 4.6L/283 V8
1966-1968 Chevrolet El Camino 5.3L/327 V8
1969-1977 Chevrolet El Camino 5.7L/350 V8
1976-1977 Chevrolet El Camino 5L/305 V8
1968-1973 Chevrolet El Camino 5L/307 V8
1970-1976 Chevrolet El Camino 6.6L/400 V8
1971-1994 Chevrolet Impala 5.7L/350 V8
1971-1976 Chevrolet Impala 6.6L/400 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
1974-1976 Chevrolet Malibu 6.6L/400 V8
1979-1982 Chevrolet Monte Carlo 4.4L/267 V8
1970-1984 Chevrolet Monte Carlo 5.7L/350 V8
1976-1987 Chevrolet Monte Carlo 5L/305 V8
1970-1976 Chevrolet Monte Carlo 6.6L/400 V8
1969-1979 Chevrolet Nova 5.7L/350 V8
1976-1979 Chevrolet Nova 5L/305 V8
1969-1973 Chevrolet Nova 5L/307 V8
1961-1962 GMC 1500 Series 4.4L/270
1961-1965 GMC 1500 Series 5L/305 V6
1961-1962 GMC 2500 Series 4.4L/270
1961-1965 GMC 2500 Series 5L/305 V6
1965 GMC PB1500 Series 5L/305 V6
1965 GMC PB2500 Series 5L/305 V6


  • 5/8" 4-Tube Clippstr Header Chev 67-81 Camaro 64-83 Chevell/Malib 78-87 El Camino 78-88 Monte Carlo 71-94 Passenger Car/Wagon Oldsmobile78-88 Cutlass Suprem78-84 Calais 78-83 Cruisr Pontac 78-87 Grand Prix 82-86 Bonnvile 265-400 Chev Engine
  • Collector: 3"
  • Port: RD
  • Primary: 1 5/8"
  • Fits most angle plug heads
  • Req. left side AC Brkt H76081979 and later
  • with short compressors use stock Brkt.
  • Will not fit w/Saginaw 825 Strg.
  • with A/C

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 5 business days for Patriot Exhaust to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

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Q & A

Videos & Articles
  • 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.
  • Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.
  • Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.
  • Hooker headers are installed in a 1967 Pontiac Firebird for increased power and a boost in performance. See how to work through fitment of the steering box, clutch Z bar and starter.

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