PSI DR 1259 RML Dual Racing Valve Springs
$640.00 Set of 16, Free Shipping
PSI Performance Springs DR-1259-RML is a severe duty dual valve spring designed for solid roller valvetrain with added features. This model includes the special RML high strength materials for extended load retention and Max Life (ML) multi-step surface enhancement process to increase spring endurance. Designed for aftermarket cylinder heads with 1.520″ OD Dual Springs.
Type: Dual
Spring OD: 1.520″
Inner ID: .730″
Seat: 375 lbs @ 2.150″
Open: 1154 lbs @ 1.200″
Recommended Lift: .950″
Coil Bind (max)1.140″
| Part# | DR-1259-RML (Single Spring) |
| Alt Part# | DR-1259-RML-16 (Set of 16) |
| Description | PSI Drag Race 1200 & RML Series Dual Valve Spring |
| Outside Diameter | 1.520″ |
| Outer Spring | ID 1.070″ |
| Middle Spring | N/A |
| Inner Spring | ID 0.730″ |
| Install Height | 2.150″ |
| Load at Installed Height | 375 lbs |
| Spring Open Height | 1.200″ |
| Spring Open Load | 1154 lbs |
| Recommended Valve Lift | .950″ |
| Spring Rate (lbs/in) | 820 |
| Retainer Step | 0.100″ |
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