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High tensile Strength with spring washers
Change Wastegate Open Pressure—Ideal for reducing boost spikes and improving spool up
This allows for full sequential fuel and ignition timing
Nissan 350Z
S14 Silvia 200sx "SR20DE"
Holley Blue 2-Port Regulator (HO12-803) rb oil drain High tensile Strength with springHO12 803 HOLLEY BLUE REGULATOR 4. 5 9PSI Adjustable From 4. 5 Psi To 9 Psi, Suit Carburettor Application Only Part Number: HO12 803 3 8" NPT ports . 220" (7 32") restriction High Pressure (4 1 2 9 PSI)Includes mounting bracket Chrome Finish
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