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Holley 134-349

Replacement Carburetor Main Body

Holley 134-349
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Product images may differ from actual product appearance.

510-134-349 NEW

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Holley 134-349 Replacement Carburetor Main Body $119.95
Replacement Carburetor Main Body
  • Fits Holley 510-0-80770
  • Factory Assembled
  • Replacement Gaskets & Seals Included
  • Shiny Finish

  • Every Street Avenger carb comes factory set and flowed but, using the external float adjustment with sight plugs, you can easily alter the float level to regulate fuel delivery pressure without the risk of overcompensation. The quick-change vacuum secondary can provide a 60-second modification of either 6% more acceleration or 5% more fuel efficiency. While available with manual choke, Holley offers a simplified electric choke for yet another easy adjustment to your vehicle, preventing accidental over-adjustments and ensuring great cold starts and smooth idling.

      Shared Specifications

  • Adjustable quick-change vacuum secondary
  • Built-in secondary fuel filters
  • 4th generation power valve with million-mile blowout protection
  • Adjustable needle and seat
  • Four vacuum ports
  • Street Avenger fuel metering system
  • Compatible with any 9-5/16" center-to-center fuel line designed for 4150 Series carbs
  • 100% wet-flow tested and calibrated

    Spec Variations
  • Offered in 570, 670, 770, or 870 cfm
  • Horsepower ratings from 300 to 500+
  • Electric or manual choke

  • Does Holley 134-349 fit your vehicle?

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    Aspiration

    1973-1974 CHEVROLET G20 VAN

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1986 CHEVROLET G20 VAN

    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: BEAUVILLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 MERCURY CYCLONE

    • CC: 6997
    • Liter: 7.0
    • SubModel: CJ
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1981-1986 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET G30 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: HI-CUBE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET LAGUNA

    • EngineType: ALL
    • SubModel: TYPE S-3

    1975-1980 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 PLYMOUTH FURY

    • CC: 7212
    • Liter: 7.2
    • Aspiration: N
    • SubModel: CUSTOM SUBURBAN
    • Engine Vin: T
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1975-1976 MERCURY MARQUIS

    • Liter: 7.5
    • SubModel: COLONY PARK
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1984-1986 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 FORD MUSTANG

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1982-1986 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PLYMOUTH FURY

    • CC: 6556
    • Liter: 6.6
    • SubModel: POLICE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1986 GMC C3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974 PLYMOUTH FURY II

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1964-1965 MERCURY MONTCLAIR

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1971-1972 CHEVROLET K30 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 CHEVROLET IMPALA

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET R30 PICKUP

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET MALIBU

    • Liter: 7.4
    • SubModel: CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970 FORD MUSTANG

    • CC: 7030
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1972 CHEVROLET C10 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 PLYMOUTH FURY

    • CC: 6286
    • Liter: 6.3
    • Aspiration: N
    • SubModel: SPORT
    • Engine Vin: G
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1975-1976 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 GMC K1500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1984-1987 FORD E-350 ECONOLINE CLUB WAGON

    • Liter: 7.5
    • SubModel: XLT
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1975-1980 FORD E-250 ECONOLINE

    • Liter: 7.5
    • SubModel: CHATEAU
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1960-1961 DODGE DART

    • Liter: 5.9
    • SubModel: PIONEER
    • CUI: 361
    • EngineType: V8 ( 5.9 L / 361 )

    1978-1979 GMC CABALLERO

    • Liter: 5.7
    • SubModel: LAREDO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971 CHEVROLET P20 VAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1974 PLYMOUTH FURY III

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1970 CHEVROLET K10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 CHEVROLET LAGUNA

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 PLYMOUTH FURY

    • CC: 7212
    • Liter: 7.2
    • SubModel: SUBURBAN
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1982-1986 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 CHEVROLET C20 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1977-1981 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 GMC K25/K2500 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 MERCURY MONTEGO

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1975-1980 GMC G35/G3500 VAN

    • Liter: 5.7
    • SubModel: RALLY
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 CHEVROLET K30 PICKUP

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 CHEVROLET C20 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1970 GMC K15/K1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET P20 VAN

    • Liter: 7.4
    • SubModel: STEP-VAN
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1976 CHRYSLER TOWN & COUNTRY

    • CC: 7211
    • Liter: 7.2
    • SubModel: BASE
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1977 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965 DODGE 880

    • CC: 6769
    • Liter: 6.7
    • SubModel: CUSTOM
    • CUI: 413
    • EngineType: V8 ( 6.7 L / 413 )

    1960 DODGE DART

    • Liter: 6.3
    • SubModel: PIONEER
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1974 CHEVROLET IMPALA

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET TOWNSMAN

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975-1976 CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: CLASSIC ESTATE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: LT RALLY SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 FORD RANCH WAGON

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1958-1959 FORD CLUB CARGO

    • Liter: 5.8
    • SubModel: BASE
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1965-1971 CHRYSLER TOWN & COUNTRY

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1970-1972 CHEVROLET C10 SUBURBAN

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969 PLYMOUTH FURY

    • CC: 7211
    • Liter: 7.2
    • SubModel: SPORT
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1969-1970 CHEVROLET C10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 GMC K1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 OLDSMOBILE DELTA 88

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971 PLYMOUTH FURY

    • CC: 6286
    • Liter: 6.3
    • SubModel: CUSTOM SUBURBAN
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1975-1978 FORD F-150

    • Liter: 7.5
    • SubModel: NORTHLAND
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1977 CHEVROLET K30 PICKUP

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1966-1969 CHEVROLET BEL AIR

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1975-1978 FORD E-250 ECONOLINE

    • Liter: 7.5
    • SubModel: NORTHLAND
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1960 DODGE MATADOR

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1971 GMC G15/G1500 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET P20 VAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1974 CHEVROLET MONTE CARLO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 PLYMOUTH GRAN FURY

    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969 CHEVROLET K10 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1973-1974 CHEVROLET LAGUNA

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1973 PLYMOUTH FURY

    • CC: 7212
    • Liter: 7.2
    • SubModel: SUBURBAN
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1973-1974 GMC C15/C1500 SUBURBAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1971 PLYMOUTH FURY III

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1974 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 MERCURY MONTEGO

    • CC: 7014
    • Liter: 7.0
    • Aspiration: N
    • SubModel: MX
    • Engine Vin: R
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1972-1974 CHEVROLET NOVA

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 CHEVROLET CHEVELLE

    • CC: 5736
    • Liter: 5.7
    • SubModel: GREENBRIER
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET K5 BLAZER

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977-1978 GMC K35 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970 MERCURY MONTEGO

    • CC: 7030
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1972 GMC G35/G3500 VAN

    • Liter: 5.7
    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 CHEVROLET K30 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969 MERCURY MARQUIS

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1974 GMC K25/K2500 SUBURBAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 CHEVROLET C20 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975-1976 GMC K1500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: ROYAL KNIGHT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 CHEVROLET P30 VAN

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )
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