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490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)
Year Make Model Submodel 2006 Honda Civic Si
82-88 BMW E28 528e
HKS HP5-3F-Con V Harness
This arm features xAxis and rubber bushings to match OE design and performance
Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/1.4lb Bottle Stage 1 490in Valve Spring and RetainerThe NX direct port EFI systems are for the crowd who have already modified their engines with high strength internal engine parts. These systems utilize the patented NX Piranha nozzle and are adjustable up to 300 Horsepower (500 HP for 10 Cylinder)! Available standard with high tech distribution blocks, optional Next Generation rail technology. Nitrous system comes complete with your choice of 5lb, 10lb, 15lb, or 12lb composite nitrous bottle,
