Pro Series Springs are precision wound from only the purest, Hi-Quality chrome-silicone materials for the demands of today's high revving, X-treme boosted sport comact engines. Pro Series Springs go through many stages of Quality Control to ensure a great piece every time. OUR RACERS RELY ON THEM SO CAN YOU.......

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SPORT COMPACT VALVE SPRINGS
O.D. I.D. SEAT PRESSURE OPEN PRESSURE MAX
LIFT
COIL
BIND
TYPE PART NUMBER

TOYOTA (2TC-3TC)

31.50MM 23.75MM 140 LBS. @ 38.1MM 280 LBS. @ 12.70MM Lift 13.5MM 23MM Dual Spring
X-Treme Alloy
VS910
23.65MM 20.00MM

NOTE: please use SI retainer TR-9021 and stock spring base

TOYOTA MR2 2.0L DOHC (3SGTE) 1990-95

27.7MM 20.5MM 70 LBS. @ 34.5MM 190 LBS. @ 10MM Lift 14MM 20MM Dual Spring
X-Treme Alloy
UR8100S
20.3MM 16MM

NOTE: please use SI retainer TR-9007 and SI-1000 with stock spring base

TOYOTA  SUPRA 3.0L DOHC L6 (2JZGE-T) 1994-98

28MM 21.3MM 80 LBS. @ 35MM 195 LBS. @ 10MM Lift 14MM 19MM Dual Spring
X-Treme Alloy
UR8109S
21MM 15.5MM

NOTE: please use SI retainer TR-9009 and SI IL-1007 together with stock spring base

TOYOTA SUPRA 3.0L DOHC L6 (7MGE-T) 1986-92

27.7MM 20.5MM 70 LBS. @ 34.5MM 190 LBS. @ 10MM Lift 14MM 20MM Dual Spring
X-Treme Alloy
UR8115S
20.3MM 16MM

NOTE: please use SI retainer TR-9020 and SI IL-1008 together with stock spring base


also manufactures custom valve spring retainers from chrome-moly and titanium for various high performance applications. Please contact a salesperson for your bulk retainer needs.

 

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