HONDA SINGLE VALVE SPRINGS

Available for the following applications:
• Del Sol 1.6L - DOHC V-TEC 16 Valve (B16A1) - 1994-1997
• Civic SI 1.6L - DOHC V-TEC 16 Valve (B16A3) - 1999-2000
• Civic 1.6L - SOHC 16 Valve (D16Z6-Y5-Y7-Y8) - 1992-2000
• Prelude 2.2L - DOHC V-TEC 16 Valve (H22A1-A4) - 1993-2000
• S2000 - F20C - 2000-2003
• S2000 - F22C - 2004-2008
• CRF 250R Motocross 2004-2010
• CRF 450 Motocross 2002-2008
• TRX 450 2004-2005
Item# Description Qty. Price
S10029


1.6L - SOHC 16 Valve (D16Z6 - Y5 - Y7 - Y8)
Type/Material/Application: Single Spring-Special Alloy
Outside Diameter: 22.9 mm
Inside Diameter: 15.35 mm
Seat Pressure: 60 lbs @ 50 mm
Open Pressure: 155 lbs @ 40 mm
Rate Inch: 241 lbs
Coil Bind: 32 mm
Max Net Lift: 17 mm
This Spring requires Ferrea Titanium Retainer # E11010 and Factory supplied Spring Seat Locator (Use only this locator)

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$40.50
S10085

Motocross
Single Spring/Special Alloy/Endurance Application
Outside Diam: 21.50mm
Inside Diam: 15.10mm
Seat Pressure: 75lbs @ 37mm
Open Pressure: 155lbs @ 27mm
Rate Inch: 203lbs
Coil Bind: 25mm
Max Net Lift: 10mm
This Spring requires Ferrea Titanium Retainers E11054 (EXH) & E11055 (INT) & Ferrea Spring Seat Locators SL1043 (EXH) & SL1042 (INT). Spring pressures are measured with Ferrea Spring Seat Locator L1043 (EXH), (Discard OEM Spring Seat Locator)

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$29.10
S10105


Motocross
Type/Material/Application: Single Spring-Special Alloy-Endurance Application-(EXHAUST - 2 pieces)
Outside Diameter: 18.10 mm
Inside Diameter: 11.50 mm
Seat Pressure: 50 lbs @ 39.8 mm
Open Pressure: 165 lbs @ 29.8 mm
Rate Inch: 292 lbs
Coil Bind: 27.5 mm
Max Net Lift: 10 mm
This spring requires Ferrea Titanium Retainers #E11071 (EXH) and Ferrea Spring Seat Locators #SL1058 (EXH) Spring pressures are measured with Ferrea Spring Seat Locator #SL1058 (EXH).

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$34.33
S10106

Motocross
Single Spring/Special Alloy/Endurance Application/(INTAKE - 2 pieces)
Outside Diamr: 18.50mm
Inside Diam: 13.0mm
Seat Pressure: 43lbs @ 34.63mm
Open Pressure: 98lbs @ 24.63mm
Rate Inch: 139lbs
Coil Bind: 23mm
Max Net Lift: 9.5mm
This spring requires Ferrea Titanium Retainers E11072 (INT) & Ferrea Spring Seat Locators SL1059 (INT) Spring pressures are measured with Ferrea Spring Seat Locator SL1059 (INT). (Discard OEM Spring Seat Locator)

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$29.10
S10117

Single Spring/Special Alloy/Endurance Application
Outside Diam: 21.50mm
Inside Diam: 15.10mm
Seat Pressure: 75lbs @ 37mm
Open Pressure: 155lbs @ 27mm
Rate Inch: 203lbs
Coil Bind: 25mm
Max Net Lift: 10mm
This Spring requires Ferrea Titanium Retainers E11078 (EXH) & E11055 (INT) & Ferrea Spring Seat Locators SL1043 (EXH) & SL1042 (INT) (Discard OEM Spring Seat Locator) Spring pressures are measured with Ferrea Spring Seat Locator SL1043 (EXH)

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$29.10
S10139

Motocross
Single Spring/Special Alloy/Endurance Application/(INTAKE - 2 pieces)
Outside Diam: 18.50mm
Inside Diam: 13.0mm
Seat Pressure: 45lbs @ 36.5mm
Open Pressure: 105lbs @ 26.5mm
Rate Inch: 152lbs
Coil Bind: 25.4mm
Max Net Lift: 10mm
This spring requires Ferrea Titanium Retainers E11112 (INT) or Ferrea Tool Steel Retainer E10036 (INT) & Ferrea Spring Seat Locators SL1122 (INT) Spring pressures are measured with Ferrea Spring Seat Locator SL1122 (INT).

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$29.10
S10140

Motocross
Single Spring/Special Alloy/Endurance Application/(EXHAUST - 2 pieces)
Outside Diam: 18.10mm
Inside Diam: 11.50mm
Seat Pressure: 50lbs @ 41.3mm
Open Pressure: 161lbs @ 31.3mm
Rate Inch: 281lbs
Coil Bind: 30.00mm
Max Net Lift: 10mm
This spring requires Ferrea Titanium Retainers E11114 (EXH) or Ferrea Tool Steel Retainer E10035 (EXH) & Ferrea Spring Seat Locators SL1123 (EXH). Spring pressures are measured with Ferrea Spring Seat Locator SL1123 (EXH)

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$34.33
S10153

Motocross
Single Spring/Special Alloy-Endurance Application
Outside Diameter: 21.50 mm
Inside Diameter: 15.10 mm
Seat Pressure: 75 lbs @ 36 mm
Open Pressure: 155 lbs @ 26 mm
Rate Inch: 203 lbs
Coil Bind: 24 mm
Max Net Lift: 10 mm
This Spring requires either Ferrea Titanium Retainers #E11126 and Ferrea Spring Seat Locator #SL1137 (EXH) and #SL1138 (INT). Spring pressures measured with Ferrea Spring Seat Locator # SL1137 (EXH), (Discard OEM Factory Spring Seat Locator)

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$29.10
S10165


CIVIC TYPE-R 2.0L - DOHC VTEC 16 VALVE (K20C1-TURBO)
Type/Material/Application: Single Spring - Turbo Special Alloy Endurance Application
Outside Diameter: 23.5mm
Inside Diameter: 15.7mm
Seat Pressure: 75 lbs @ 46.3 mm(INT) / 75 lbs @ 44.3 mm(EXH)
Open Pressure: 185 lbs @ 36.3 mm(INT) / 185 lbs @ 34.3 mm(EXH)
Rate Inch: 279 lbs
Coil Bind: 33.3 mm(INT) / 31.3 mm(EXH)
Max Net Lift: 12 mm
This Spring requires Ferrea Tool Steel Retainer # E20056 and Ferrea Spring Seat #SL1152 (EXH Side) and Ferrea Spring Seat Locator # SL1151 (INT Side). (Discard OEM Spring Seat Locator)

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$29.10
S10166


CIVIC TYPE-R 2.0L - DOHC VTEC 16 VALVE (K20C1-TURBO)
Type/Material/Application: Single Spring - Turbo Special Alloy Drag Application **Can only be used with Ferrea Roller Rocker Kit # RR1006**
Outside Diameter: 22.9mm
Inside Diameter: 15.35mm
Seat Pressure: 75 lbs @ 51.85 mm(INT) / 75 lbs @ 49.85 mm(EXH)
Open Pressure: 182 lbs @ 41.85 mm(INT) / 182 lbs @ 39.85 mm(EXH)
Rate Inch: 272 lbs
Coil Bind: 35.6 mm(INT) / 33.6 mm(EXH)
Max Net Lift: 15.25 mm
This Spring requires Ferrea Titanium Retainer # E11142 and Ferrea Spring Seat #SL1154 (EXH Side) and Ferrea Spring Seat

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$40.50
S10173


CRF 450
Type/Material/Application: Single Spring - Special Alloy Endurance Application
Outside Diameter: 21.5 mm
Inside Diameter: 15.10 mm
Seat Pressure: 55 lbs @35.5 mm(INT) / 60 lbs @37 mm(EXH)
Open Pressure: 130 lbs @25.5 mm(INT) / 135 lbs @27 mm(EXH)
Rate Inch: 190 lbs
Coil Bind: 22.0 mm(INT) / 25.5 mm(EXH)
Max Net Lift: 10 mm
This Spring requires Ferrea Titanium Retainer #E12038 and Ferrea Spring Seat Locator (INTAKE) # SL1166 and (EXHAUST) # SL1167. Discard OEM Factory supplied Spring Seat Locator

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$29.10
S10175


250R
Type/Material/Application: Single Spring - PAC Enhanced Alloy Endurance Application
Outside Diameter: 22.22 mm
Inside Diameter: 15.87 mm
Seat Pressure: 45 lbs @34.15 mm(INT) / 50 lbs @33.7 mm(EXH)
Open Pressure: 140 lbs @24.15 mm(INT) / 145 lbs @23.7 mm(EXH)
Rate Inch: 244 lbs
Coil Bind: 22.27 mm
Max Net Lift: 11.43 mm(INT) / 10.80 mm(EXH)
This Spring requires Ferrea Titanium Retainer #E12040 and Ferrea Spring Seat Locator # SL1168. TECH NOTE: Ferrea Pro Springs are designed with progressive wound coils. Assemble stacked coils end of spring at the bottom, on top of spring seat locator.

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$29.10
S10182


CIVIC Si 1.5L - DOHC VTEC 16 VALVE (L15 - TURBO)
Type/Material/Application: Single Spring - Special Alloy Turbo Enduro Applications
Outside Diameter: 21.35 mm
Inside Diameter: 14.98 mm
Seat Pressure: 65 lbs @45.70 mm(INT) / 60 lbs @43.10 mm(EXH)
Open Pressure: 130 lbs @35.70 mm(INT) / 125 lbs @33.10 mm(EXH)
Rate Inch: 165 lbs
Coil Bind: 34.30 mm(INT) / 31.30 mm(EXH)
Max Net Lift: 10.50 mm(INT) / 10.80 mm(EXH)
This Spring requires Ferrea Titanium Retainers #E11151 (INTAKE) and E11150 (EXHAUST) and Ferrea Spring Seat Locators #SL1182 (INTAKE) and SL1181 (EXHAUST). (Discard OEM Spring Seat Locator)
TECH NOTE: Ferrea Pro Springs are designed with progressive wound coils. Assemble stacked coils end of spring at the bottom, on top of spring seat locator.

ADD TO CART
$29.10

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