4G63 EVO 4-7 Camshafts 4-TX268 eco Compatible with Twin Cam RB20/25/26

Compatible with Twin Cam RB20/25/26 heads

When designing this kit we set out to create a non-balancer-based crankshaft wheel as balancer casings tend to 'wander' far too much

- NISSAN KA24DE

54-62mm turbo size range

The two part numbers are identical except the pressure relief valve opens at 112 PSI on the F90000274 opposed to 87 PSI on the F90000267

4G63 EVO 4-7 Camshafts 4-TX268 eco Compatible with Twin Cam RB20/25/26264 268 11. 00mm 10. 50mm Valve Lift 268 cams for street, strip and track engines in the 350 600hp range. Great with E85 and similar ethanol blend fuels. Suits 48 58mm turbo. Still maintains good throttle response, improved mid range power. For up to 8000rpm and 35psi boost Kelford Cams recommend valve spring KVS63 BTK.