The Kelford 231‑E Stage 5 Pro‑Drag Camshaft Set is designed exclusively for professionally built Nissan GT‑R R35 VR38DETT engines operating at the extreme limits of horsepower, boost pressure, and RPM. This camshaft set is intended for dedicated drag racing and roll racing applications where maximum airflow and peak power output are the sole objectives.

Featuring extremely long duration and high lift, the 231‑E camshafts are engineered for engines producing in excess of 2000 horsepower and running aggressive fuels such as methanol. This is the most aggressive cam profile in the Kelford VR38DETT range.

Camshaft Specifications

• Intake Duration: 292°
• Exhaust Duration: 298°
• Intake Cam Lift: 11.00mm
• Exhaust Cam Lift: 11.00mm

Key Features

• Complete intake and exhaust camshaft set
• Stage 5 pro‑level race cam profiles
• Designed for extreme high‑RPM and high‑boost operation
• Optimized for methanol‑fuelled engines
• Intended for professional drag and roll racing applications
• Precision‑engineered by Kelford Cams

When Is the Kelford 231‑E the Right Choice?

The 231‑E camshaft set is strictly intended for elite‑level racing programs and should only be considered for fully developed competition vehicles.

• Professionally built VR38DETT engines
• Large frame turbochargers sized for extreme airflow
• Dedicated drag racing or roll racing GT‑Rs
• Engines targeting 2000hp and beyond
• Methanol fuel applications

Important Notes

• Upgraded valve springs are mandatory
• Kelford recommends the KVS38‑BT valve spring kit
• Extensive supporting modifications are required
• Professional installation and expert‑level ECU tuning are essential
• Not suitable for street use under any circumstances

231‑E vs Other Kelford Cam Options

• More aggressive than all other Kelford VR38 camshaft sets
• Designed exclusively for maximum peak power output
• No compromise on drivability, idle quality, or emissions
• Ultimate solution for pro‑level drag racing builds

Application

• Nissan GT‑R R35
• Engine: VR38DETT

The Kelford 231‑E Stage 5 Pro‑Drag Camshaft Set represents the absolute peak of camshaft performance for the VR38DETT platform and is reserved for only the most extreme GT‑R builds in the world.