$478.00 Set of 16, Free Shipping
PSI Performance Springs DR-1246 is a severe duty valve spring designed for solid roller valvetrain. Works with most aftermarket cylinder heads with 1.645″ OD triple springs.
Type: Triple
Spring OD: 1.645″
Inner ID: .630″
Seat: 300 lbs @ 2.000″
Open: 890 lbs @ 1.200″
Recommended Lift: .800″
Coil Bind (max)1.100″
| Part# | DR-1246 (Single Spring) |
| Alt Part# | DR-1246-16 (Set of 16) |
| Description | PSI Drag Race 1200 Series Triple Valve Spring |
| Outside Diameter | 1.645″ |
| Outer Spring | ID 1.195″ |
| Middle Spring | ID .870″ |
| Damper | no |
| Inner Spring | ID 0.630″ |
| Install Height | 2.000″ |
| Load at Installed Height | 300 lbs |
| Spring Open Height | 1.200″ |
| Spring Open Load | 890 lbs |
| Recommended Valve Lift | 0.800″ |
| Spring Rate (lbs/in) | 738 |
| Retainer Step | 0.100″ |
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