| OEM Make | Chevrolet |
| Assembled | Yes |
| Engine Size (L) | 3.1/3.4 |
| California Proposition 65 Reproductive | WARNING: This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov |
| 2) Note | 10mm Rocker Mounts, For 8mm Use 2CWF |
| Fuel Type | Gas |
| Side | Either |
| Right Head Cast # | 170, 187 |
| Number of Valves | 12 |
| Block Type | V |
| California Proposition 65 Cancer | WARNING: This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov |
| Gasket Set Included | Not Included |
| Head Type | Aluminum, OHV |
| Valve Seals Included | Yes |
| Valve Springs Included | Yes |
| Left Head Cast # | 170, 187 |
| Head Material | Cast Iron |
| Head Casting Number | 170, 187 |
| Number of Cylinders | 6 |
| Block Cast # | 227, 253, 089, 934 |
| Mounting Hardware Included | No |
| Material | Cast Iron |
| 1) Note | Complete with Valves, Springs & Rockers, Cast #170, 187 |
| Crank Cast # | 981 |
| Type | OHV |
| Camshaft Included | No |
| VIN | E, J, M |
| Grade Type | Premium |
| Part Terminology | Engine Cylinder Head |
