SUBARU DUAL VALVE SPRINGS

Available for the following applications:
• WRX 2.0L - DOHC 16 VALVE (EJ20) - 2001-2008
• WRX 2.0L - DOHC 16 VALVE (STI) - 2004-2008
• BRZ 2.0L - DOHC 16 VALVE (FA20) - 2012-2015

Item# Description Qty. Price
S10071


EJ20
Type/Material/Application: Dual Spring - Special Alloy - Turbo - Drag Racing
Outside Diameter: 20.8 mm/28 mm
Inside Diameter: 15.88 mm/20.8 mm
Seat Pressure: 75 lbs @ 39.4 mm
Open Pressure: 200 lbs @ 29.4 mm
Rate Inch: 317 lbs
Coil Bind: 21.5 mm
Max Net Lift: 15 mm
This Spring requires Ferrea Titanium Retainer # E11043 and Ferrea Spring Seat Locator # SL1034 (Discard OEM Spring Seat Locator)

ADD TO CART
$40.50
S10072


EJ20
Type/Material/Application: Dual Spring - Special Alloy Turbo - Endurance Spring
Outside Diameter: 20.8 mm/28 mm
Inside Diameter: 16.51 mm/20.8 mm
Seat Pressure: 70 lbs @ 39.4 mm
Open Pressure: 165 lbs @ 29.4 mm
Rate Inch: 241 lbs
Coil Bind: 20 mm
Max Net Lift: 15 mm
This Spring requires Ferrea Titanium Retainer # E11044 and Ferrea Spring Seat Locator # SL1034 (Discard OEM Spring Seat Locator)

ADD TO CART
$40.50
S10097


Type/Material/Application: Dual Spring - Special Alloy - Turbo - Drag Racing
Outside Diameter: 20.8 mm/28 mm
Inside Diameter: 15.88mm/20.8mm
Seat Press:. 90lbs@36 mm
Open Press: 215 lbs@26 mm
Rate Inch: 317lbs
Coil Bind: 21.5 mm
Max Lift: 14 mm
This Spring requires Ferrea Titanium Retainer # E11065 and Ferrea Spring Seat Locator # SL1051 (Discard OEM Spring Seat Locator)

ADD TO CART
$40.50
S10098


Type/Material/Application: Dual Spring - Special Alloy - Turbo - Endurance Racing
Outside Diameter: 20.8 mm/28 mm
Inside Diameter: 16.51 mm/20.8 mm
Seat Pressure: 80 lbs @ 36 mm
Open Pressure: 180 lbs @ 26 mm
Rate Inch: 254 lbs
Coil Bind: 21.0
Max Net Lift: 14 mm
This Spring requires Ferrea Titanium Retainer # E11065 and Ferrea Spring Seat Locator # SL1051 (Discard OEM Spring Seat Locator)

ADD TO CART
$40.50
S10155


2.0L - DOHC 16 Valve (FA20)
Type/Material/Application: Dual Spring - Turbo - Special Alloy
Outside Diameter: 28 mm/20.8 mm
Inside Diameter: 16.51 mm/20.8 mm
Seat Pressure: 70 lbs @ 24 mm
Open Pressure: 170 lbs @ 24 mm
Rate Inch: 254 lbs
Coil Bind: 18.6 lbs
Max Net Lift: 14.5 mm
This spring requires Ferrea Titanium Retainer # E11127 and Ferrea Spring Seat Locator # SL1140.(Discard OEM Spring Seat Locator)

ADD TO CART
$40.50

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