NRC-Motorsports

as the title says... brand new c5r heads that a customer had as spares and he does'nt need them anymore..

http://www.sdpc2000.com/catalog/1979...inder-Head.htm
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part# 12480090.......

The cylinder heads include the following features:
• The basic height, width and attachment faces are in stock location to dowel and deck position.
• All dimentions and fasteners are metric.
• The basic valve angle was revised from 15 to 11 degrees to produce a smaller chamber.
• The valve angle also provides more space for aftermarket rocker arms. Jesel valve train systems has provided the current race pieces. The production individual pedestals are cast into a continuous feature tieing all the bosses together.
• The rocker cover hold down bosses are incorporated into the rocker arm plateau for the 4-bolt center hold down type cover (1999 model year).
• The chamber volume for the P/N 12480005 head is 38cc with flat faced valves of .75mm inlet and 1.5mm exhaust margins. The P/N 12480090 provides additional material for CNC porting and chamber shaping and starts at a volume of less than 30cc’s.
• The inlet port roof and floor is raised and the attachment pattern is designed for a Kinsler fuel injection manifold.
• Inlet port is 57.15 x 36.58mm / 55.957mm dia. precision finished.
• The cylinder head is machined for larger diameter springs (41.5mm or 1.63" dia. machined pocket).
• The exhaust flange is identical with the production part.
• The exhaust port is stock size.
• The head is machined for a 12.712 / 12.688mm dia. valve guide bore.
• Rocker cover oil rail seal is a reverse tapered groove for a 3.2mm dia. (.125") free length “O” Ring.
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looking to get 1000.00 or best offer plus shipping...

located in bayshore, ny(longisland)

thanks, jay