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)
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).
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)
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.
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.
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