| Model Engine /Part Nº |
Type/Material/Application |
O.D. |
I.D. |
Seat Press. |
Open Press. |
Rate Inch |
Coil Bind |
Max Net Lift |
|
| S10065 |
Outer w/Damper |
1.490 |
1.076 |
130 lbs |
325 lbs |
390 lbs |
1.020 |
.650 |
|
Special Alloy |
|
|
@1.700 |
@1.200 |
|
|
|
|
Hi-Performance Spring |
|
|
|
|
|
|
|
| This Spring requires Ferrea Titanium Retainer # E11040 and Factory supplied Spring Seat Locator |
|
|
|
|
|
| S10052 |
Dual w/Damper - Chro Silicon |
1.005 |
.730 |
135 lbs |
395 lbs |
400 lbs |
1.160 |
.650 |
|
Hydraulic & Solid |
1.53 |
1.110 |
@1.875 |
1.225 |
|
|
|
| This Spring requires Ferrea Titanium Retainer #E11029 and Ferrea Spring Seat Locator #SL1024 |
|
|
|
|
|
| (Discard OEM Spring Seat Locator) |
|
|
|
|
|
| S10053 |
Dual w/Damper |
1.025 |
.740 |
215 lbs |
550 lbs |
460 lbs |
1.170 |
.700 |
|
Chrome Silicon-Roller |
1.550 |
1.135 |
@1.950 |
1.27 |
|
|
|
| This Spring requires Ferrea Titanium Retainer #E11028 and Ferrea Spring Seat Locator #SL1024 |
|
|
|
|
|
| (Discard OEM Spring Seat Locator) |
|
|
|
|
|
| S10054 |
Dual w/Damper |
1.005 |
.725 |
175 lbs |
350 lbs |
320 lbs |
1.160 |
.600 |
|
Chrome Silicon-Roller |
1.440 |
1.065 |
@1.810 |
1.26 |
|
|
|
| This Spring requires Ferrea Titanium Retainer #E11027 and Ferrea Spring Seat Locator #SL1024 |
|
|
|
|
|
| (Discard OEM Spring Seat Locator) |
|
|
|
|
|
| S10096 |
Dual Spring |
.819 |
.625 |
80 lbs |
205 lbs |
317 lbs |
.790 |
.550 |
|
Special Alloy |
1.103 |
.819 |
@1.338 |
@.945 |
|
|
|
| This Spring requires Ferrea Titanium Retainer # E11041 and Factory supplied Spring Seat Locator |
|
|
|
|
|
| S10105 |
Single Spring - Special Alloy |
18.10 mm |
11.50 mm |
50 lbs |
165 lbs |
292 lbs |
27.5 mm |
10 mm |
|
Endurance Application |
|
|
@39.8mm |
@29.8mm |
|
|
|
|
(EXHAUST - 2 pieces) |
|
|
|
|
|
|
|
| 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). (Discard OEM Spring Seat Locator) |
|
|
|
|
|
| S10106 |
Single Spring - Special Alloy |
18.50 mm |
13.0 mm |
40 lbs |
95 lbs |
139 lbs |
23 mm |
10 mm |
|
Endurance Application |
|
|
@35.13mm |
@25.13mm |
|
|
|
|
(INTAKE - 2 pieces) |
|
|
|
|
|
|
|
| This spring requires Ferrea Titanium Retainers #E11072 (INT) and Ferrea Spring Seat Locators #SL1059 (INT) |
|
|
|
|
|
| Spring pressures are measured with Ferrea Spring Seat Locator #SL1059 (INT). (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. |
|
|
|
|
|
| S10085 |
Single Spring |
21.50 mm |
15.10 mm |
75 lbs |
155 lbs |
203 lbs |
25 mm |
10 mm |
|
Special Alloy |
|
|
@37 mm |
@ 27 mm |
|
|
|
|
Endurance Application |
|
|
|
|
|
|
|
| This Spring requires Ferrea Titanium Retainers #E11054 (EXH) and #E11055 (INT) |
|
|
|
|
|
| and Ferrea Spring Seat Locators #SL1043 (EXH) and #SL1042 (INT) |
|
|
|
|
|
| Spring pressures are measured with Ferrea Spring Seat Locator # SL1043 (EXH) |
|
|
|
|
|
| (Discard OEM Spring Seat Locator) |
|
|
|
|
|
| S10063 |
Dual Spring |
.890 |
.650 |
150 lbs |
450 lbs |
462 lbs |
.710 |
.650 |
|
Special Alloy |
1.215 |
.890 |
@1.400 |
@.750 |
|
|
|
|
Maximum Retainer step .075 |
|
|
|
|
|
|
|
