Engine Details • GMC 400CID (6.6L) GAS • 1970–80
Models
C15, C1500, C25, C2500, C2500 Suburban, C25 Suburban, C35, C3500, G15, G1500, G25, G2500, G35, G3500, Jimmy, K15, K1500, K1500 Suburban, K15 Suburban, K25, K2500, K2500 Suburban, K25 Suburban, K35, K3500, P15/P1500 Van, P25/P2500 Van, P35/P3500 Van, Sprint
Liters
6.6
CID
400
Fuel / Delivery
GAS / CARB
Cyl.
8
Version
-
VIN
E, K, M, N, P, R, S, T, U, X, Z
Desc.
-
Bore
4.12'' (104.7mm)
Stroke
-
Head
OHV
Asp.
N
Misc.
-
Available Part Categories
Please select to update the part list below:
Valves for GMC 400CID (6.6L) GAS • 1970–80
60 parts found
| Part No. | Description | Quantity | Specs |
|---|---|---|---|
| E-1077 | Exh., '71-76 Pass.; '74-76 Sprint | 8 | |
| E-1077+15 | Exh., with + .015" Oversize Stem, '71-76 Pass.; '74-76 Sprint | 8 | |
| E-1077+3 | Exh., with + .003" Oversize Stem, '71-76 Pass.; '74-76 Sprint | 8 | |
| E-1077+30 | Exh., with + .030" Oversize Stem, '71-76 Pass.; '74-76 Sprint | 8 | |
| E-1077B | Package of 2 each of E-1077 | 8 | |
| E-1077B+15 | Package of 2 each of E-1077+15 | 8 | |
| E-1077B+3 | Package of 2 each of E-1077+3 | 8 | |
| E-1077B+30 | Package of 2 each of E-1077+30 | 8 | |
| E-1077M | Package of 50 each of E-1077 | 8 | |
| E-1077M+15 | Package of 50 each of E-1077+15 | 8 | |
| E-1077M+3 | Package of 50 each of E-1077+3 | 8 | |
| E-1077M+30 | Package of 50 each of E-1077+30 | 8 | |
| E-1077Q2 | Unit Quantity Package of 2 E-1077 | 4 | |
| E-1649 | Exh., '70 | 8 | |
| E-1649B | Package of 2 each of E-1649 | 8 | |
| E-1649M | Package of 50 each of E-1649 | 8 | |
| E-1649Q2 | Unit Quantity Package of 2 E-1649 | 4 | |
| E-1923 | Exh., Chrome Plated, '71-76 Pass.; '74-76 Sprint | 8 | |
| E-1923+15 | Exh., Chrome Plated, with + .015" Oversize Stem, '71-76 Pass.; '74-76 Sprint | 8 | |
| E-1923B | Package of 2 each of E-1923 | 8 |