Increase fuel flow with Feign upgraded performance fuel injectors! Avoid expensive mistake from running lean! From a simple bolt on upgrade to extreme race engines, having sufficient fuel delivery is very important for the best result and performance! 

• -Injector size 42: Up to 165cc
• -Injector size 56: Up to 219cc
• -Injector size 66: Up to 258cc
• -Injector size 80: Up to 313cc