Blox Tuner Series camshafts are designed using standard, OEM lobe designs while Competition Series camshafts are designed and cast with wider primary and secondary lobes. Although both types offer increased power and torque, Competition Series camshafts place less stress on the valvetrain and provide greater stability at extreme RPM's. Consequently, all camshafts are cast using the same materials and standards as OEM sources.
BLOX Racing recommends upgrading to its high compression valves, heavy duty valve springs, and Ti retainers on certain applications.
B-series DOHC VTEC engine compatibility list:
B16A, B17A, B16B (CTR), B18C1 (GSR), B18C5 (US ITR), B18C-R (JDM ITR)
Competition Series Stage 2 Specs:
Intake (lift / duration) 12.4mm / 275°
Exhaust (lift / duration) 11.9mm / 270°
Competition Series Type B Specs:
Intake (lift / duration) 0.489" / 266
Exhaust (lift / duration) 0.472" / 266
Competition Series Type C Specs:
Intake (lift / duration) 0.481" / 268
Exhaust (lift / duration) 0.458" / 264
Competition Series HSL (High Speed Lift) Specs:
Intake (lift/duration) 0.496" / 255
Exhaust (lift/duration) 0.494" / 256
Competition Series Turbo Specs:
Intake (lift / duration) 0.372" / 212
Exhaust (lift / duration) 0.343" / 211
BLOX Racing recommends upgrading to its high compression valves, heavy duty valve springs, and Ti retainers on certain applications.
B-series DOHC VTEC engine compatibility list:
B16A, B17A, B16B (CTR), B18C1 (GSR), B18C5 (US ITR), B18C-R (JDM ITR)
Competition Series Stage 2 Specs:
Intake (lift / duration) 12.4mm / 275°
Exhaust (lift / duration) 11.9mm / 270°
Competition Series Type B Specs:
Intake (lift / duration) 0.489" / 266
Exhaust (lift / duration) 0.472" / 266
Competition Series Type C Specs:
Intake (lift / duration) 0.481" / 268
Exhaust (lift / duration) 0.458" / 264
Competition Series HSL (High Speed Lift) Specs:
Intake (lift/duration) 0.496" / 255
Exhaust (lift/duration) 0.494" / 256
Competition Series Turbo Specs:
Intake (lift / duration) 0.372" / 212
Exhaust (lift / duration) 0.343" / 211
Blox Competition Series Camshafts - B-series VTEC
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