1967 1968 1969 1970 Pontiac 400 428 Exhaust valve set 8
1967-1970 Grand Prix Firebird Tempest LeMans Custom GTO with 400 428 engines

Quantity 8 (eight)
1967 1970 Pontiac 428 400 Engine including Race and irrigation eng
Head 1.770 Stem 5.0 Stem dia .341 Seat 45° Single groove w/ groove seal

OEM GM 478348 New old stock manufactured by Sealed Power in the USA

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