BLOX Racing camshafts are designed and manufactured using OEM-spec, chill-cast camshaft cores.  BLOX Racing manufactures camshaft cores specifically tailored to the D16Z6 and D16Y8 engines. MAY BE USED WITH Y8 WHEN USING BLOX CAM GEAR Stage 1 Camshafts: Ideal for stock to mild engine builds.Upgraded valvetrain is not necessary but is always recommended. Stage 2 Camshafts:Ideal for mild to highly modified engine builds.Upgraded valvetrain is required. Head porting is HIGHLY recommended. Stage 3 Camshafts:Ideal for highly modified to full race engine builds.Upgraded valvetrain, cylinder head machining + porting, high compression pistons, and ECU tuning are ALL required. Stage 1 Cam Specs @ 0.050" INTAKE: 234° / 0.255” (Gross lift: 0.408") EXHAUST: 211° / 0.213” (Gross lift: 0.383") Stage 1 Spec Sheet Stage 2 Cam Specs @ 0.050" INTAKE: 242° / 0.268” (Gross lift: 0.429") EXHAUST: 217° / 0.240” (Gross lift: 0.432") Stage 2 Spec Sheet Stage 3 Cam Specs @ 0.050" INTAKE: 247° / 0.276” (Gross lift: 0.442") EXHAUST: 230° / 0.255” (Gross lift: 0.459") Stage 3 Spec Sheet