Precision fuel injectors are flow checked, individually scribed, hand selected and then carefully matched to within 1% of each other for optimum performance in your vehicle. All horsepower ratings are calculated at 90% duty cycle at 43.5 psi upon a BFSC of .50. Compatible with all known aftermarket drivers. Domestic Style Injectors Precision Sport Compact Injectors Precision Sport Compact Mitsubishi PTE Injector Connector $3.99 Thank you for shopping Manic Tech Racing.