Kelford Stage 1 camshafts for the Nissan GT-R VR38DETT. Suited to street cars with stock or bolt-on turbos, roughly 600–1,000 hp. Factory valve springs can be retained at stock boost and RPM; on high-mileage engines Kelford recommends the KVS38-BT spring kit.

• Part number: 231-A
• Advertised duration (0.10mm): 266° intake / 266° exhaust
• Duration @ 1.00mm: 226° / 226°
• Net valve lift: 10.00mm intake / 9.25mm exhaust
• Lobe centers: 126° intake / 115° exhaust
• Cold valve clearance: 0.30mm intake / 0.33mm exhaust

Shipping: $50 flat rate. Ships to the contiguous United States only.