The GT2560R which used to be designated the GT28R is not the disco potato (GT28RS). The GT2560R is the basis for the Z1 GT600R bolt on turbo kit. The GT2860RS is the basis for the JWT 700BB kit, the Z1 GT675RS kit and very similar to an HKS 2530.
Russell Floyd Z1 Motorsports www.300zx.com 1990+ Nissan Z specialists Used Parts, New parts, Service/Repair and Performance 2877 Carrollton Villa Rica Hwy Carrollton, Ga 30116 770-838-7777 770-832-9253 (fax) 
|