Apparel
Valves Spring/Retainer Kits Rods Misc.
SR20 - PRO SERIES VALVE SPRINGS RETAINERS AND LOCKS - learn more about our valves springs, retainers & locks

Manley valve springs are wound from super clean alloy. Each design minimizes stress to ensure long service life with high lift camshafts. Titanium retainers are manufactured in our own double spindle CNC machines to exacting tolerances and precise installed height specifications. Valve locks are manufactured in our own Swiss turning centers with rigid control over the all-important angle to ensure precise mating with the retainer.

VALVE SPRINGS
Part # Quantity O.D./I.D.
Outer
Inner
Seat Pressure Open Pressure Stock/Max Lift Coil Bind Rate (lbs./in.) Retainer #
  Nissan SR20DE/SR20DET
22165-16 16 pcs. 1.160"/.835" 90 @ 1.550" 185 @ 1.170"
225 @ 1.010"
0.380"
0.540"
.960" 248 23165-16
 
TITANIUM RETAINERS
Valve Stem
Diameter
Dimensions
Part # Quantity Spring Degree A B C Step Height
  Nissan SR20DE/SR20DET
23165-16 16 pcs. 22165-16 6.0mm 1.150" .825" X .080" Stock
 
VALVE LOCKS
Part # Quantity Valve Stem Groove Type Angle Wgt. / Pr.
  Nissan
13012-8 8 pr. 6.0 mm / .2362" Bead Loc® 1.4 gms
 
SPRING AND RETAINER KITS
Part # Quantity Max Net Lift Spring # Retainer #
  Nissan SR20DE/SR20DET
26165 1 kit .540" 22165-16 23165-12
26165K 1 kit (Includes 13012-8 valve locks) .540" 22165-16 23165-12
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