Enginetech V1685 Valve – Exhaust

Pontiac Bonneville

• 1972 Pontiac Bonneville - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Firebird

• 1972 Pontiac Firebird - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Grand Safari

• 1972 Pontiac Grand Safari - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Grandville

• 1972 Pontiac Grandville - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac GTO

• 1972 Pontiac GTO - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac LeMans

• 1972 Pontiac LeMans - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Bonneville

• 1971 Pontiac Bonneville - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1971 Pontiac Bonneville - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Catalina

• 1971 Pontiac Catalina - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Firebird

• 1971 Pontiac Firebird - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1971 Pontiac Firebird - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Grand Safari

• 1971 Pontiac Grand Safari - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1971 Pontiac Grand Safari - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac GTO

• 1971 Pontiac GTO - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Laurentian

• 1971 Pontiac Laurentian - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac LeMans

• 1971 Pontiac LeMans - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1971 Pontiac LeMans - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Parisienne

• 1971 Pontiac Parisienne - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Ventura

• 1971 Pontiac Ventura - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Bonneville

• 1970 Pontiac Bonneville - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac Bonneville - 7.5L V8 GM455C-PO
  Note: Engine code YH. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Catalina

• 1970 Pontiac Catalina - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac Catalina - 7.5L V8 GM455C-PO
  Note: Engine code YH. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Executive

• 1970 Pontiac Executive - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac Executive - 7.5L V8 GM455C-PO
  Note: Engine code YH. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Firebird

• 1970 Pontiac Firebird - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac Firebird - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Grand Prix

• 1970 Pontiac Grand Prix - 7.5L V8 GM455C-PO
  Note: Engine code YH. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac GTO

• 1970 Pontiac GTO - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac GTO - 7.5L V8 GM455C-PO
  Note: Engine code YH. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Laurentian

• 1970 Pontiac Laurentian - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac LeMans

• 1970 Pontiac LeMans - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac LeMans - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac LeMans - 7.5L V8 GM455C-PO
  Note: Engine code YH. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Parisienne

• 1970 Pontiac Parisienne - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Tempest

• 1970 Pontiac Tempest - 5.7L V8 GM350CE-PO
  Note: .3410" stem. 1.662" head. 4.982" O.A.L.
• 1970 Pontiac Tempest - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Bonneville

• 1969 Pontiac Bonneville - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Executive

• 1969 Pontiac Executive - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Firebird

• 1969 Pontiac Firebird - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac GTO

• 1969 Pontiac GTO - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac LeMans

• 1969 Pontiac LeMans - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Tempest

• 1969 Pontiac Tempest - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Bonneville

• 1968 Pontiac Bonneville - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Executive

• 1968 Pontiac Executive - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Firebird

• 1968 Pontiac Firebird - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac GTO

• 1968 Pontiac GTO - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac LeMans

• 1968 Pontiac LeMans - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.

Pontiac Tempest

• 1968 Pontiac Tempest - 6.6L V8 GM400C-PO
  Note: With 2Bbl. .3410" stem. 1.662" head. 4.982" O.A.L.