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Earl's 29D03B - Earl's Pressure Master Header Seals



Earl's 29D03B - Earl's Pressure Master Header Seals

Part Number: 361-29D03B

Pressure Master Header Gasket Set
  • Small Block Chevy/GM 265-400
  • 1.50" x 1.50" Ports
  • $42.40
    Ships
    Made In USA

    Earl's 29D03B - Earl's Pressure Master Header Seals Details

    Small Block Chevy/GM Pressure Master Header Seals

  • Uses Aerospace Technology
  • Reusable/Adaptable
  • Graphite Foil Sealing Inserts
  • Virtually Leak proof
  • Seals Up To 1200 percent Better
  • Superior Torque Retention
  • Longer Lasting Pre-Load
  • 90 percent Break Loose Torque

  • Specifications:

    Port Height (in.)
    1.5
    Port Style
    Square port
    Port Width (in.)
    1.5
    Quantity
    Sold as a pair
    Gasket Material
    Graphite foil
    Manufacturer's Part Number:
    29D03BERL

    Earl's Pressure Master Header Seals are made of an aerospace-grade graphite foil sealing material applied to an aluminum retainer. They've been manufactured and developed for Earl's by aerospace manufacturer Parker Hannifin Corporation to solve the toughest automotive sealing issues!

    Reusability/Adaptability
  • Graphite foil sealing inserts are replaceable in the aluminum retainer
  • Economical solution to tough sealing problems

    Virtually Leakproof
  • Leak down tests show Earl's Pressure Master seals up to 1200% better under pressure than leading gasket systems

    Superior Torque Retention
  • Torque tests show the fastener pre-load lasts longer with Pressure Master Seals
  • Earl's 90% break loose torque compares to 65% of the nearest competition

  • Does this fit your vehicle?

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    1972-1973 CHEVROLET C20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1965 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: SS

    1981 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: SCOTTSDALE

    1979-1986 CHEVROLET C20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    1979 CHEVROLET K20 SUBURBAN

    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1974 CHEVROLET MONTE CARLO

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1977-1978 CHEVROLET BLAZER K5

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1964-1967 CHEVROLET IMPALA

    • Liter: 5.4
    • EngineType: V8
    • SubModel: SS

    1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1986 CHEVROLET CAMARO

    • Liter: 5.0
    • SubModel: Z28
    • CUI: 305
    • EngineType: V8

    1987-1988 CHEVROLET R20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    1972-1974 CHEVROLET IMPALA

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1975 CHEVROLET BEL AIR

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1984-1986 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1980 CHEVROLET K20 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8

    1970-1972 CHEVROLET G30 VAN

    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET CHEVELLE

    • Liter: 6.6
    • EngineType: V8
    • SubModel: GREENBRIER

    1968 CHEVROLET C30 PICKUP

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1973-1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1995 CHEVROLET C2500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: LT

    1982-1987 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: SPORT
    • EngineType: V8

    1979-1980 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1980-1981 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CHEYENNE

    1979 CHEVROLET C30 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1971 CHEVROLET IMPALA

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1979 CHEVROLET CAPRICE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CLASSIC

    1982-1986 CHEVROLET BLAZER K5

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1980 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BIG TEN

    1975-1976 CHEVROLET IMPALA

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SPORT

    1979 CHEVROLET K20 PICKUP

    • EngineType: V8
    • SubModel: SILVERADO

    1959 CHEVROLET BISCAYNE

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1968 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: NOMAD

    1979-1980 CHEVROLET C20 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: CHEYENNE

    1968-1969 CHEVROLET IMPALA

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1981 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1995 CHEVROLET C1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: LT

    1979-1986 CHEVROLET C10 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1970-1972 CHEVROLET EL CAMINO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1969-1970 CHEVROLET IMPALA

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Liter: 5.7
    • SubModel: MALIBU
    • EngineType: V8

    1975-1976 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1982-1986 CHEVROLET C10 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1982-1986 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    1973 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: LT

    1969-1972 CHEVROLET CHEVELLE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: GREENBRIER

    1994-1995 CHEVROLET K2500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: WT

    1955-1957 CHEVROLET BEL AIR

    • EngineType: V8
    • SubModel: NOMAD

    1972 CHEVROLET EL CAMINO

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SS
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8

    1980 CHEVROLET K10 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: CHEYENNE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8

    1987 CHEVROLET CAMARO

    • EngineType: V8
    • SubModel: LT

    1969-1973 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1983-1989 CHEVROLET G20 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SPORTVAN

    1973 CHEVROLET CHEVELLE

    • CC: 5736
    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET MONTE CARLO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1981-1984 CHEVROLET G10 VAN

    • EngineType: V8
    • SubModel: BONAVENTURE

    1980 CHEVROLET K20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1971 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1981 CHEVROLET C20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: DELUXE

    1992 CHEVROLET BLAZER

    • EngineType: ALL
    • SubModel: BASE

    1980 CHEVROLET K20 SUBURBAN

    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8

    1967-1968 CHEVROLET C20 PICKUP

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET NOVA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1987-1988 CHEVROLET R30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1974-1975 CHEVROLET EL CAMINO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET BROOKWOOD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1988-1995 CHEVROLET C1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1977-1979 CHEVROLET IMPALA

    • EngineType: V8
    • SubModel: LANDAU

    1979 CHEVROLET K10 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1970 CHEVROLET MONTE CARLO

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1979-1986 CHEVROLET C10 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1979 CHEVROLET K20 PICKUP

    • EngineType: V8
    • SubModel: SCOTTSDALE

    1984-1986 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1990-1995 CHEVROLET K1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: WT

    1982 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1979-1981 CHEVROLET EL CAMINO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: ROYAL KNIGHT

    1979 CHEVROLET MALIBU

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CLASSIC SPORT

    1973-1974 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1990-1995 CHEVROLET G20 VAN

    • Liter: 5.0
    • SubModel: SPORTVAN
    • CUI: 305
    • EngineType: V8

    1990-1993 CHEVROLET G10 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1968 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1988-1991 CHEVROLET K2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CHEYENNE

    1970 CHEVROLET BEL AIR

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1975-1976 CHEVROLET MALIBU

    • Liter: 6.6
    • SubModel: CLASSIC ESTATE
    • CUI: 400
    • EngineType: V8

    1980 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1972-1974 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1977-1978 CHEVROLET CAMARO

    • EngineType: V8
    • SubModel: LT RALLY SPORT

    1972 CHEVROLET CORVETTE

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1988 CHEVROLET V30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CHEYENNE

    1980 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    1973-1976 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1964 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1979-1981 CHEVROLET MONTE CARLO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: LANDAU

    1969-1971 CHEVROLET BISCAYNE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1979-1980 CHEVROLET K10 SUBURBAN

    • EngineType: V8
    • SubModel: SCOTTSDALE

    1979-1980 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1985 CHEVROLET IMPALA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1968 CHEVROLET K20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1968 CHEVROLET C10 PICKUP

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET KINGSWOOD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1984 CHEVROLET G20 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BONAVENTURE
    Rated 1 out of 5 by from Earl's pressure master header seals I purchased these header gaskets and also locking header bolts. Less than 1 hour of run time and one gasket began to leak. Headers are also new.
    Date published: 2014-12-26
    • 2016-08-28T08:25CST
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