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2.6L 24v - RB26DETT

2.6L 24v - RB26DETT 

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2.6L 24v - RB26DETT

The RB26DETT is the 2.6L 24-valve twin-turbo straight six, the reference block of Nissan tuning. It shares neither its head dimensions nor its main bearings with the RB25DET.

Head side: SUPERTECH Inconel exhaust valves at 30.15 and 31.15mm head diameter on a 6.94mm stem, not 5.94, black nitrided stainless inlet valves at 34.65 and 35.65 x 5.97mm, 6mm collets and ARP2000 head studs.

Bottom end: KING RACING tri-metal bearings in standard size, ZRP forged rods on 21mm and MANLEY on 22mm, ARP2000 rod bolts and main studs, 86mm pistons from 7.8:1 to 8.3:1 by WOSSNER, JE PISTONS and WISECO.