DENSO fuel Injector
Standard size injector
uscar port
4 Hole nozzle

Flow rates @ 43.5 psi / 3 bar
29.9 lb per hour
226 G per min. (N-Heptane)
314.2 cc per min

GM L59 Flexfuel motor

DENSO 4581 / 195500-4581
GM 12580426
ACDelco 217-1626

other part numbers
Airtex 4G1686
Bostech MP3120
GB Reman 832-12114
SMP FJ502