Nissan RB26 Cast Cylinder Heads$100 Non refundable spot in the queue only This is for serious buyers to receive preference upon release in the order that deposits are received hence the small deposit value. NOTE: BALANCE PAYABLE UPON OFFICIAL RELEASE. (Head package options can be changed before delivery) Cylinder Heads: (Pricing is approximate machined core cost and subject to change prior to official release, complete packages will be available) Introducing 4 off the shelf head