Harwood Z-28 2.5" Hood Scoop H75915F * Performer RPM Cylinder Heads

* Performer RPM Cylinder Heads have all of the same great features as our Performer series heads

Includes BOSS Primary Timing Chain Tensioners

500" OD valve springs

2400-2800 RPM Stall

The HANS Pro Ultra Lite is SFI 38

Harwood Z-28 2.5" Hood Scoop H75915F * Performer RPM Cylinder HeadsFor nearly 40 years Harwood has been the leader in new product design and innovation for the racing and street performance industry. Every part manufactured by Harwood is built exclusively in our 6 acre facility by experienced composite technicians who take pride in their work and appreciate seeing the final results of their efforts on a customer's car. Harwood is the leader in new product design and innovation for the racing and street performance