OER 1956-69 Pontiac GTO, Lemans, Tempest, Firebird Heat Rise Exhaust Manifold Flapper Spring

Part Number: 521580--OER

OER 1956-69 Pontiac GTO, Lemans, Tempest, Firebird Heat Rise Exhaust Manifold Flapper Spring

Part Number: 521580--OER

$24.95

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( Inventory updated: 06/06/2026 )

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1956-69 Pontiac GTO, Lemans, Tempest, Firebird Heat Rise Exhaust Manifold Flapper Spring


Heat rise exhaust manifold flapper spring, OE # #521580 in stainless steel. This spring mounts on the manifold & actuates the flapper on exhaust manifold. Fits a variety of 1956-69 GM models

Chevrolet Truck Applications

  • 1969-1969 Chevrolet Blazer
  • 1960-1967 Chevrolet C10 Panel
  • 1960-1969 Chevrolet C10 Pickup
  • 1967-1969 Chevrolet C10 Suburban
  • 1967-1967 Chevrolet C20 Panel
  • 1960-1969 Chevrolet C20 Pickup
  • 1967-1969 Chevrolet C20 Suburban
  • 1960-1966 Chevrolet C30 Panel
  • 1960-1969 Chevrolet C30 Pickup
  • 1960-1962 Chevrolet C40
  • 1961-1969 Chevrolet K10 Pickup
  • 1967-1969 Chevrolet K10 Suburban
  • 1967-1967 Chevrolet K20 Panel
  • 1961-1969 Chevrolet K20 Pickup
  • 1967-1969 Chevrolet K20 Suburban
  • 1968-1969 Chevrolet K30 Pickup
  • 1960-1966 Chevrolet Suburban
  • 1960-1969 Chevrolet Truck

GMC Truck Applications

  • 1966-1966 GMC 1000
  • 1960-1965 GMC 1000 Series
  • 1966-1966 GMC 1500
  • 1960-1965 GMC 1500 Series
  • 1966-1966 GMC 2500
  • 1960-1965 GMC 2500 Series
  • 1960-1966 GMC 3000
  • 1960-1966 GMC 3500
  • 1967-1969 GMC C15/C1500 Pickup
  • 1967-1969 GMC C15/C1500 Suburban
  • 1967-1969 GMC C25/C2500 Pickup
  • 1967-1969 GMC C25/C2500 Suburban
  • 1967-1969 GMC C35/C3500 Pickup
  • 1966-1966 GMC K1000
  • 1966-1966 GMC K1000 Pickup
  • 1966-1969 GMC K15/K1500 Pickup
  • 1967-1969 GMC K15/K1500 Suburban
  • 1967-1969 GMC K25/K2500 Pickup
  • 1967-1969 GMC K25/K2500 Suburban
  • 1968-1969 GMC K35/K3500 Pickup
  • 1960-1966 GMC Suburban
  • 1960-1969 GMC Truck

Pontiac Applications

  • 1962-1962 Pontiac Acadian
  • 1964-1969 Pontiac Beaumont
  • 1957-1969 Pontiac Bonneville
  • 1956-1969 Pontiac Catalina
  • 1956-1958 Pontiac Chieftain
  • 1967-1969 Pontiac Executive
  • 1967-1969 Pontiac Firebird
  • 1962-1969 Pontiac Grand Prix
  • 1964-1969 Pontiac GTO
  • 1956-1969 Pontiac Laurentian
  • 1963-1969 Pontiac LeMans
  • 1959-1969 Pontiac Parisienne
  • 1956-1958 Pontiac Pathfinder
  • 1956-1966 Pontiac Star Chief
  • 1958-1969 Pontiac Strato-Chief
  • 1957-1958 Pontiac Super Chief
  • 1962-1969 Pontiac Tempest
  • 1960-1961 Pontiac Ventura

 

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OER

Original Equipment Reproduction - OER - is the leading manufacturer and distributor of quality classic automotive restoration parts and accessories. OER products are meticulously manufactured to replicate the OEM appearance, quality and fit that meets or exceeds the original factory specifications.

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