272 Degree street / strip cams. No cylinder head clearancing needed.
Engine Make: Engine Model: Part Number:
NISSAN RB20&25DE/T HL182-B
Valve Clearance: Intake: Set at the
Exhaust: Set at the
Cam Lift: Intake: 9.35mm Exhaust: 9.35mm
Rocker Ratio: Intake: 1 Exhaust: 1
Nett Valve Lift: Intake: 9.35mm Exhaust: 9.35mm
Advertised Duration @ 0.10mm Intake: 272 Exhaust: 272
Duration @ 1.00mm VALVE LIFT Intake: 226 Exhaust: 226
Timing @ 1.00mm VALVE LIFT IVO: 3 BTDC EVO: 47 BBDC
IVC: 43 ABDC EVC: 1 BTDC
Suggested Centre Lines: Intake: 110 Exhaust: 114
VALVE Lift @ TDC Intake: 1.19mm Exhaust: 0.85