Quincy Parts By Model
QR-25 Series Low Pressure Ring
* - Two (2) Sets Required
** - Four (4) Sets Required
| Model | Bore Size | L.P. Ring Kit |
| 108 | 3.00 | 6452 |
| 216 | 3.00 | 6452* |
| X2 | 2.00 | 6489 |
| 206 | 2.00 | 6489 |
| 230 | 3.50 | 6592* |
| 208 | 2.25 | 6800 |
| 210 | 2.50 | 6801* |
| X3 | 2.375 | 8085 |
| X8 | 2.375 | 8085* |
| A4 | 2.50 | 8161 |
| 106 | 2.50 | 8161 |
| 255 | 4.50 | 8166* |
| 4125 | 4.50 | 8166** |
| 212 | 2.50 | N/A |
| 214 | 2.75 | N/A |
| 240 | 4.00 | N/A |
QR-25 Series Maintenance
* - Two (2) Sets Required
** - Four (4) Sets Required
| Model | Air Filter | Gasket Kit | Head Overhaul Kit | Tune-Up Kit |
| X8 | N/A | 3709 3709 | HKQX81 HKQX81 | TKQX81 TKQX81 |
| 106 | 110377E075 110377E075 | 3713 3713 | N/A | TKQ1061 |
| X2 | 2149 | 3708 | HKQX21 | TKQX21 |
| X3 | 2149 | 7551 | N/A | N/A |
| 390 | N/A | 2380 7079 | HKQ39011 HKQ39015 | TKQ39011 TKQ39015 TKQ39011 |
| 330 | N/A | 3463 | HKQ3301 | TKQ33017 |
| A4 | N/A | 3710 | HKQA41 HKQA41 | TKQA41 |
| 108 | N/A | 3714 3714 | HKQ1081 | TKQ10825 |
| 212 | 7296 | 3715 | HKQ2121 | N/A |
| 216 | N/A | 3716 3716 5508 | HKQ2161 HKQ2161 | N/A |
| 230 | N/A | 3718 3718 5509 7128 | HKQ23020 HKQ23027 HKQ2303 | TKQ23020 |
| 244 | N/A | 3719 | HKQ2441 HKQ24433 | TKQ24433 |
| 310 | N/A | 3721 5512 | HKQ3101 HKQ3101 HKQ31020 | TKQ3101 TKQ31020 TKQ3104 |
| 340 | N/A | 3722 3722 6033 7088 | HKQ34024 HKQ3409 | TKQ3401 TKQ34024 |
| 308 | N/A | 3740 | HKQ3081 | TKQ3081 TKQ30820 |
| 240 | N/A | 5510 7127 | N/A | TKQ2401 TKQ2405 |
| 350 | N/A | 5789 5789 7089 7503 | HKQ35013 HKQ3502 | N/A |
| 255 | N/A | 5882 7087 | HKQ2555 | TKQ2555 |
| 210 | 7296 | 6804 | N/A | TKQ2101 |
| 270 | N/A | 7087 | N/A | N/A |
| 4110 | N/A | 7141 | N/A | TKQ41101 |
| 4125 | N/A | 7141 | N/A | TKQ41251 |
| 5080 | N/A | 7143 | N/A | N/A |
| 206 | 7296 HKQ2061 | N/A | TKQ2061 | N/A |
| 306 | N/A | 7303 | HKQ3061 | N/A |
| 5105 | N/A | 7435 | HKQ51051 | TKQ51054 |
| 5120 | N/A | 7435 | N/A | N/A |
| 370 | N/A | 7503 | HKQ3701 | TKQ3701 |
| W5105 | N/A | 7585 | HKQW51051 | TKQW51051 |
| W5080 | N/A | 7586 | N/A | N/A |
| 208 | HKQ2081 | N/A | TKQ2081 | N/A |
| 214 | N/A | N/A | HKQ2141 | TKQ2141 |
| 325 | N/A | N/A | HKQ3256 | TKQ3256 TKQ3259 |
| 4088 | N/A | N/A | HKQ40881 | N/A |
| W340 | N/A | N/A | HKQW3401 | N/A |
| W350 | N/A | N/A | N/A | TKQW3501 |
| W5120 | N/A | N/A | N/A | TKQW51201 |
QR-25 Series Two Stage Ring
* - Two (2) Sets Required
** - Four (4) Sets Required
| Model | Bore Size | Bore Size | H.P. Ring Kit | L.P. Ring Kit |
| 340 | 5.25 | 3 | 6452 | N/A |
| 310 | 3.50 | 2 | N/A | 6592 |
| 5120 | 6 | 3.25 | 8168 | 7527* |
| 370 | 6 | 3.25 | 8168 | 7527 |
| 5105 | 6 | 3.25 | N/A | 7527* |
| 325 | 4.5 | 2.5 | 8161 | 8166 |
| W5120 | 6 | N/A | 8168 | N/A |
| 350 | 6 | 3.25 | 8168 | N/A |
| 390 | 7.5 | 4 | N/A | N/A |