Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
| Attribute | Value |
|---|---|
| CNC Ported | No |
| Combustion Chamber Volume | Possible 72 |
| Construction Type | Pro-port Raw |
| Deck Thickness | 0.625 |
| EGR Port | No |
| Exhaust Port Entry | 1.46 In X 1.40 |
| Exhaust Valve Diameter | (suggested) 1.46 In X 1.40 |
| Exhaust Valve Pierce Points (X,Y)(C) | 1.150 In, 0.000 |
| Family | Performer Rpm |
| Grade Type | Performance |
| Guide Material | Manganese Bronze |
| Guide Plates Included | No |
| Head Casting Number | N/a |
| Intake Port Entry | 1.10 In X 2.02 |
| Intake Valve Diameter | (suggested) 2.11 |
| Intake Valve Pierce Points (X,Y)(C) | 0.880 In, 0.000 |
| Quantity | Sold Individually |
| RGL | Warning: This Product Can Expose You To Lead, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm. For More Information, Visit Www.p65warnings.ca.gov. |
| Retainer Included | No |
| Seat Angle | Exhaust 45 Deg/intake 45 |
| Seat Material | Ductile Iron |
| Specialty | Hot Isostatic Pressing (hip) Processing |
| Valve Angle | 14 |
| Valve Guides Included | Yes |
| Valve Included | No |
| Valve Seats Included | Yes |
| Valve Spacing | 2.030 |
| Valve Springs Included | No |
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Convertible | 1970 - 1973 | V8 7.5L | RWD Automatic & U/K |
| Base | Convertible | 1970 - 1971 | V8 7.5L | RWD Manual |
| Base | Convertible | 1967 - 1973 | V8 6.6L | RWD Automatic & U/K |
| Base | Convertible | 1967 - 1971 | V8 6.6L | RWD Manual |
| Base | Convertible | 1965 - 1966 | V8 6.4L | RWD Automatic & Manual & U/K |
| Base | Coupe | 1967 | V8 6.6L | RWD Automatic & Manual & U/K |
| Base | Coupe | 1965 - 1966 | V8 6.4L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1970 - 1973 | V8 7.5L | RWD Automatic & U/K |
| Base | Hardtop | 1970 - 1971 | V8 7.5L | RWD Manual |
| Base | Hardtop | 1967 - 1973 | V8 6.6L | RWD Automatic & U/K |
| Base | Hardtop | 1967 - 1971 | V8 6.6L | RWD Manual |
| Base | Hardtop | 1965 - 1966 | V8 6.4L | RWD Automatic & Manual & U/K |
| The Judge | Convertible | 1970 | V8 6.6L | RWD U/K |
| The Judge | Convertible | 1970 - 1971 | V8 7.5L | RWD U/K |
| The Judge | Coupe | 1970 | V8 6.6L | RWD U/K |
| The Judge | Coupe | 1970 - 1971 | V8 7.5L | RWD U/K |
We offer fast, reliable shipping on all orders:
This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.
Warranty does NOT cover:
We want you to be 100% satisfied with your purchase. That's why we offer:
Fits Years: 1965 1966 1967 1968 1969 1970 1971 1972 1973
Fits Models: GTO
In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.
If it doesn't fit, we make it right. No gimmicks, no fine print.
Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.
Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.
