Valve Spring Specifications
|
Part Number
|
Size
|
Pressure
|
Material
|
Coil Bind
|
Rate
|
Max. Recom.
Lift
|
| AFR-8000 |
1.540 OD |
225# @ 1.950 |
Chrome Silicon |
1.155 |
550 |
710 |
| orange |
.800 ID |
600# @ 1.250 |
|
|
|
|
| AFR-8001 |
1.550 OD |
260# @ 2.000 |
Pacaloy |
1.150 |
640 |
800 |
| no stripe |
.788 ID |
7700# @ 1.200 |
|
|
|
|
| AFR-8002 |
1.550 OD |
170# @ 1.980 |
Chrome Silicon |
1.180 |
475 |
650 |
| blue - black |
.725 ID |
430# @ 1.430 |
|
|
|
|
| AFR-8003 |
1.560 OD |
250# @ 1.980 |
Chrome Silicon with |
1.160 |
515 |
740 |
| chrome |
.740 ID |
610# @1.280 |
Electroplate Polishing |
|
|
|
| AFR-8004 |
1.290 OD |
150# @1.740 |
Comp Cams |
1.010 |
397 |
630 |
| no stripe |
.650 ID |
380# @ 1.160 |
#921 Ovate Wire |
|
|
|
| AFR-8016 |
1.550 OD |
140# @1.930 |
Chrome Silicon |
1.140 |
410 |
600 |
| no stripe |
.750 ID |
365# @1.380 |
|
|
|
|
| AFR-8017 |
1.290 OD |
135# @ 1.800 |
Premium Grade |
1.050 |
360 |
600 |
| no stripe |
.685 ID |
340# @ 1.230 |
Chrome Silicon |
|
|
|
| AFR-8019 |
1.270 OD |
155# @1.810 |
Premium Grade |
1.080 |
428 |
650 |
| red stripe |
.645 ID |
412# @ 1.210 |
Chrome Silicon |
|
|
|
| AFR-8020 |
1.437 OD |
120# @1.800 |
Chrome Silicon |
1.090 |
325 |
550 |
| inner blue |
.720 ID |
300# @ 1.250 |
|
|
|
|
| AFR-8021 |
1.640 OD |
250# @ 2.000 |
Premium Grade |
1.070 |
645 |
800 |
| blue |
.860 ID |
800# @ 1.150 |
Chrome Silicon |
|
|
|
| AFR-8022 |
1.640 OD |
320# @ 2.040 |
Premium Grade |
1.150 |
645 |
840 |
| green |
.860 ID |
870#@ 1.190 |
Chrome Silicon |
|
|
|
| AFR-8023 |
1.580 OD |
235# @1.950 |
Premium Grade |
1.170 |
535 |
730 |
| white |
.832 ID |
610# @1.250 |
Chrome Silicon |
|
|
|
| AFR-8031 |
1.625 OD |
255# @ 1.950 |
Chrome Silicon with |
1.130 |
540 |
750 |
| chrome |
.768 ID |
633# @ 1.250 |
Electroplate polishing |
|
|
|
Valve spring pressures may vary plus or minus 5 percent. It is the customers
responsibility to verify springs are correct for his application.
IMPORTANT:
Break in cam per cam manufacturers specifications. This can be critical
for solid flat tappet cams using AFR spring #8016.
