Xtreme Turbo Hydraulic Camshaft - XT262H CO12-253-4 Product:Suit SB Chev 1658-98 Valve covers should be run

Valve covers should be run with one breather and one PCV valve or PCV breather for proper air circulation

600 exhaust with AFR's hardened ductile iron interlocking seats

After years of service

Manufactured From Premium-qual ity Aluminium

Xtreme Turbo Hydraulic Camshaft - XT262H CO12-253-4 Product:Suit SB Chev 1658-98 Valve covers should be runXtreme Turbo Hydraulic Camshaft XT262HSuit SB Chev 1658 98 CO12 253 4 12 253 4 Street Strip applications. Single or twin turbos RPM operating range 2200 6400 Duration advertised Inlet 262, Exh 269 Duration advertised @ . 050" Inlet 218, Exh 218 Valve lift with 1. 5 rocker Inlet . 462", Exh . 455" Lobe separation angle 114