Cylinder Head and Cam Package 1998 LS-1 350/410 HP

LEVEL 1-Cylinder Head and Camshaft Package (350 cu.in/410-445 hp)

? CNC Ported and Polished Cylinder Heads (Customer Supplied Cylinder Heads)
? 5 Angle Valve Job (Blueprint Match Install Heights and Seats Pressure)
? Includes the Following New Parts:

SLP specified hydraulic roller camshaft (P/N: 51011)
SLP Chrome silicon 1.250 HD valve springs
SLP's exclusive chrome moly springs retainers and locks
SLP 160º F thermostat
New gaskets & valve seals