Drag racing cams for top end performance. These are designed to keep the valve-train stable, even on stock buckets. Cylinder head may need to be clearanced for cam swing. Requires valve spring upgrade, KVS109-1JZ.
Engine Make: Engine Model: Part Number:
TOYOTA 1JZ TURBO 229-E
Valve Clearance: Intake: 0.25mm Set COLD at the CAM
Exhaust: 0.25mm Set COLD at the CAM
Cam Lift: Intake: 10.85mm Exhaust: 10.45mm
Rocker Ratio: Intake: 1 Exhaust: 1
Nett Valve Lift: Intake: 10.60mm Exhaust: 10.20mm
Advertised Duration @ 0.10mm Intake: 290 Exhaust: 290
Duration @ 1.00mm VALVE LIFT Intake: 252 Exhaust: 252
Timing @ 1.00mm VALVE LIFT IVO: 16 BTDC EVO: 66 BBDC
IVC: 56 ABDC EVC: 6 ATDC
Suggested Centre Lines: Intake: 110 Exhaust: 120
VALVE Lift @ TDC Intake: 2.67mm Exhaust: 1.60