377 SBC Street 520 HP H-3 Series
GM Perf Block, Forged Crank, Pistons, Rods, MSD, Brodix, Demon, Roller Cam.
| H-1 Series 377 SBC Street 410 HP $ 5,500.00 |
| H-2 Series 377 SBC Street 450 HP $ 5,800.00 |
| H-3 Series 377 SBC Street 520 HP $ 6,900.00 |
| H-4 Series 377 SBC Street 558 HP $7,500.00 |