Home :: Subaru :: Master Valvetrain Package :: EJ20, EJ25, WRX and STI :: Supertech Master Valvetrain Package, with 1.0mm Oversize Valves for the Subaru EJ20, EJ25, WRX and STI

Supertech Master Valvetrain Package, with 1.0mm Oversize Valves for the Subaru EJ20, EJ25, WRX and STI

Supertech Master Valvetrain Package, with 1.0mm Oversize Valves for the Subaru EJ20, EJ25, WRX and STI
Supertech Master Valvetrain Package, with 1.0mm Oversize Intake and Exhaust Valves, Supertech Dual Valve Springs, and Titanium Retainers for the Subaru EJ20, EJ25, WRX and STI

Please Select the Valve Spring set that best suit's your needs in the drop down menu below:

SPR-TS1015/SU3: Dual Springs
Outer Spring -- 27.50mm OD -- 20.00mm ID
Inner Spring -- 20.00mm OD -- 15.20mm ID
64 lbs seat pressure -- 64 lbs @ 36.00mm
15.30mm Max Net Lift
20.70mm Coil Bind
12.10 lbs/mm Rate

SPR-TS1015/SU1: Dual Springs
Outer Spring -- 27.50mm OD -- 20.00mm ID
Inner Spring -- 20.00mm OD -- 15.20mm ID
70 lbs seat pressure -- 70 lbs @ 35.50mm
14.80mm Max Net Lift
20.70mm Coil Bind
12.10 lbs/mm Rate

SPR-TS1015/SU4: Dual Springs
Outer Spring -- 27.50mm OD -- 20.00mm ID
Inner Spring -- 20.00mm OD -- 15.20mm ID
82 lbs seat pressure -- 82 lbs @ 34.25mm
13.50mm Max Net Lift
20.70mm Coil Bind
12.10 lbs/mm Rate

SPR-TS1015/IN-SU4: Dual Springs
Outer Spring -- 27.50mm OD -- 20.00mm ID
Inner Spring -- 20.00mm OD -- 15.20mm ID
100 lbs seat pressure -- 100 lbs @ 34.25mm
13.50mm Max Net Lift
20.70mm Coil Bind
14.90 lbs/mm Rate

Also Included in the Master Valvetrain Package are a set of eight intake (SIVN-1014) and eight exhaust valve's (SEVN-1014) in Standard Size. Along with sixteen Titanium Retainer's (RET-TS60/WRX1) or (RET-TS60IN2/WRX1).

Inconel Exhaust Valves (SEVI-1014) are also available as an upgrade in the drop down menu below.
SKU MSVP-0.5mm-EJ20/25WRX/STI11
Weight 2.00 lbs
 
Our price: $650.00
Select Valve Springs
Select Exhaust Valves
Select Exhaust Valve Length
Select Intake Valve Length
Qty
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