Availability

- In Stock Items. Ships Today. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Combustion Chamber Volume (cc)
- 51 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 53 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Intake Runner Volume (cc)
- 53cc (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Exhaust Runner Volume (cc)
- 56.5cc (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Cylinder Head Style
- Assembled (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Bare (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Intake Valve Diameter (in.)
- 1.398 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.575 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Intake Valves Included
- No (1)
- Yes (1)
Exhaust Valves Included
- No (1)
- Yes (1)
Valve Springs Included
- No (1)
- Yes (1)
Number of Springs Per Valve
- Single (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Retainers Included
- No (1)
- Yes (1)
Filter Options
- New Product (2)