Engine Details • PONTIAC 400CID (6.6L) GAS • 1967–79
Models
Bonneville, Catalina, Executive, Firebird, Grand Am, Grand Prix, Grand Safari, Grandville, GTO, Laurentian, LeMans, Parisienne, Tempest
Liters
6.6
CID
400
Fuel / Delivery
GAS / CARB
Cyl.
8
Version
-
VIN
N, P, R, S, T, Z
Desc.
-
Bore
4.12'' (104.7mm)
Stroke
-
Head
-
Asp.
N
Misc.
-
Available Part Categories
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Valve Seat for PONTIAC 400CID (6.6L) GAS • 1967–79
14 parts found
| Part No. | Description | Quantity | Specs |
|---|---|---|---|
| 30537 | Int., with 2.110" Valve Head Dia. | 8 | |
| 30537S | Package of 4 each of 30537 | 8 | |
| 30557 | Int., with 1.960" Valve Head Dia. | 8 | |
| 30557S | Package of 4 each of 30557 | 8 | |
| 30658 | Exh., with 1.660" Valve Head Dia. | 8 | |
| 30658+10 | Exh., .010" Oversize, with 1.660" Valve Head Dia. | 16 | |
| 30658+30 | Exh., .030" Oversize, with 1.660" 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 | |
| 30671 | Exh., with 1.770" Valve Head Dia. | 8 | |
| 30671S | Package of 4 each of 30671 | 8 | |
| 30691 | Int., with 1.920" Valve Head Dia | 8 | |
| 30691S | Package of 4 each of 30691 | 8 |