The L19 was available from 1988 to 1995 in 2500 and 3500 trucks, and also in the 1990-1993 SS454 C1500. The general specifications remained very similar for its entire run, other than a block redesign to to new Mark V architecture in 1991.
Tag: 1990
1990
Read more
1990 Model Specifications : SS454 Introduced
The 1990 model year featured a few exciting changes for the GMT400 Platform. The SS 454 package (RPO B4U) was released, combining the sport package with a host of performance upgrades including the L19 454 big block, 3.73 9.5″ rear differential, TH400 transmission, and suspension/steering upgrades.
1990
Read more
1990 Chevrolet Pickup Dealer Info Sheet
Documents supplied to dealers for vehicle ordering.
Options, specifications, RPO codes.
Scan quality varies.
Excellent source of what was available from GM for 1990 model year.