| KLX140 KLX150 Complete Ultimate Big Bore Kit Hi Performance 220cc | sxparts.com | 1199 USD | — | — |
| KLX140 KLX150 Complete Ultimate Big Bore Kit Hi Performance | sxparts.com | 1099 USD | — | — |
| KLX140 KLX150 BIG BORE KIT with CAMSHAFT and CYLINDER HEAD Big Valve | sxparts.com | 585 USD | — | — |
| Yamaha NVX 125 – 155 YSS Performance Rear Shock | sxparts.com | 465 USD | — | — |
| Aracer ECU RC Mini X Aerox NVX 155cc | sxparts.com | 450 USD | — | — |
| KLX 150 Complete Swing Arm Aftermarket Aluminum Swingarm ver.2 | sxparts.com | 375 USD | — | — |
| OVER Racing KLX230 KLX230R PERFORMANCE FULL SYSTEM EXHAUST | sxparts.com | 349 USD | — | — |
| Kawasaki KLX230 KLX 230R PERFORMANCE FULL SYSTEM EXHAUST PIPE | sxparts.com | 335 USD | — | — |
| Cylinder Head CNC Ported with Big Valves KLX140 KLX150 | sxparts.com | 300 USD | — | — |
| Cylinder Head with Big Valves | sxparts.com | 295 USD | — | — |
| Cylinder Head with Big Valves CRF 150 L | sxparts.com | 295 USD | — | — |
| TTR 110 Cylinder Head with Big Valve TTR110 | sxparts.com | 285 USD | — | — |
| OVER Racing Full System Performance Exhaust KLX150 KLX 140 | sxparts.com | 265 USD | — | — |
| Full System Performance Exhaust KLX 140 / KLX 150 | sxparts.com | 249 USD | — | — |
| CRF 150 L Complete Swing Arm Aftermarket Aluminum Swingarm | sxparts.com | 235 USD | — | — |
| KLX140 KLX150 STROKER CRANKSHAFT Assy Crank | sxparts.com | 225 USD | — | — |
| Yamaha NVX 125 155 STROKER CRANKSHAFT Assy Crank | sxparts.com | 225 USD | — | — |
| KLX140 KLX150 Bore Kit 197cc Ceramic Cylinder With Forged Piston | sxparts.com | 225 USD | — | — |
| Big Bore Kit 186cc Ceramic Cylinder With Forged Piston | sxparts.com | 205 USD | — | — |
| KLX150 Complete Swing Arm Aftermarket Aluminum Swingarm | sxparts.com | 199 USD | — | — |
| Kawasaki KLX 230 Big Bore Kit 270cc | sxparts.com | 195 USD | — | — |
| Honda CRF 150 F Big Bore Kit 235cc CRF 150 L XR150 | sxparts.com | 195 USD | — | — |
| CRF 150 L CNC Wheel Hubs | sxparts.com | 195 USD | — | — |
| KLX140 Big Bore Kit 170cc Ceramic Cylinder With Forged Piston | sxparts.com | 185 USD | — | — |
| Yamaha NMAX Big Bore Cylinder Kit 177 cc | sxparts.com | 185 USD | — | — |
| Kawasaki KLX 150 Wheel Hubs Aftermarket CNC | sxparts.com | 175 USD | — | — |
| Honda CRF 150 F / XR 150 L Big Bore Kit 208cc CRF 150 L | sxparts.com | 175 USD | — | — |
| Yamaha R15 R125 WR125 Big Bore Kit 183cc | sxparts.com | 165 USD | — | — |
| 143cc Yamaha TTR 110 TT-R 110E Big Bore Kit with Camshaft | sxparts.com | 160 USD | — | — |
| KLX140 KLX150 Big Bore Kit 170cc with Camshaft | sxparts.com | 149 USD | — | — |
| Yamaha TTR 110 TT-R 110E Big Bore Kit 128cc with Camshaft | sxparts.com | 149 USD | — | — |
| Performance Gear Ratio Yamaha NVX 125 155 13×42 | sxparts.com | 149 USD | — | — |
| KLX140 KLX150 Big Bore Kit 170cc with Forged Piston | sxparts.com | 139 USD | — | — |
| PWK Carburetor Kit Complete with Jets | sxparts.com | 125 USD | — | — |
| Racing Programmable CDI Unit KLX140 KLX150 | sxparts.com | 125 USD | — | — |
| 143cc Yamaha TTR 110 TT-R 110E Big Bore Kit | sxparts.com | 110 USD | — | — |
| Keihin PE28 Replica Carburetor Kit Complete with Jets | sxparts.com | 100 USD | — | — |
| CVT Sport Clutch Set For NMAX / AEROX / NVX | sxparts.com | 99 USD | — | — |
| Performance Gearbox NMAX Gear Ratio | sxparts.com | 99 USD | — | — |
| Bigger Starter Motor KLX140 KLX150 | sxparts.com | 99 USD | — | — |