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New design Aeroflow Performance Mazda rotary fuel rail to suit 13B engines in series 4 and 5 Mazda RX7
8MM Super Locks- 10°
Centreless Gr ound To Precise Diameter
All chain drive gears have a 1050 steel outer sprocket
when the material is easier to machine)
PSI Triple Valve Spring (16) 1.660" OD & 1.130" Coil Bind ISK1250 Rails New design Aeroflow Performance MazdaPSI Triple Valve Spring (16) 1. 660" OD & 1. 130" Coil Bind395LBS @ 2. 250" Seat Pressure, 1178LBS @ 1. 200" Open Pressure ISK1250 K1250 You can trust PSI valve springs to out perform all others as they are made from the finest materials, the best CNC equipment and state of the art trade secret processing they also utilise special heat treating and additional "Special Processing" for minimal load loss.
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