Engine Details • PONTIAC 350CID (5.7L) GAS • 1968–80
Models
Bonneville, Catalina, Firebird, Grand Safari, Laurentian, LeMans
Liters
5.7
CID
350
Fuel / Delivery
GAS / CARB
Cyl.
8
Version
-
VIN
H, K, L, R
Desc.
Oldsmobile
Bore
4.057"
Stroke
-
Head
OHV
Asp.
N
Misc.
Oldsmobile Engine. These Engines have front mounted oil filler tube.
Available Part Categories
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Valve Seat for PONTIAC 350CID (5.7L) GAS • 1968–80
16 parts found
| Part No. | Description | Quantity | Specs |
|---|---|---|---|
| 30503 | Exh., with 1.500" Valve Head Dia. | 8 | |
| 30503S | Package of 4 each of 30503 | 8 | |
| 30537 | Int., with 1.995" Valve Head Dia. | 8 | |
| 30537S | Package of 4 each of 30537 | 8 | |
| 30658 | Exh., with 1.624" Valve Head Dia. | 8 | |
| 30658+10 | Exh., .010" Oversize, with 1.624" Valve Head Dia. | 16 | |
| 30658+30 | Exh., .030" Oversize, with 1.624" Valve Head Dia. | 16 | |
| 30658S | Package of 4 each of 30658 | 8 | |
| 30658S+10 | Package of 4 each of 30658+10 | 16 | |
| 30658S+30 | Package of 4 each of 30658+30 | 16 | |
| 30664 | Exh., w/1.562" Valve Head Dia. | 8 | |
| 30664+10 | Exh., .010" Oversize, w/1.562" Valve Head Dia. | 16 | |
| 30664S | Package of 4 each of 30664 | 8 | |
| 30664S+10 | Package of 4 each of 30664+10 | 16 | |
| 30691 | Int., w/1.875" Valve Head Dia. | 8 | |
| 30691S | Package of 4 each of 30691 | 8 |