PROLINE RPM Dual Valve Springs Kits FITS LS3 11 degree heads, 425lbs Open. 155lbs@1.900" 0.720" Max Lift, 415lbs/in 6.2L
RPM Kit, 155lbs@1.900" & 415 lbs/in, 425lbs open
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Description
LS3 11 Degree Cylinder Heads DUAL VALVE SPRINGS KIT. Detroit Racing Products with PAC Springs & Comp Cams Retainers.
Premium RPM valve spring kit fits the LS3 11 Degree spread valve heads, like the DRP, Frankenstein, Mast, CID. This spring kit is for performance cams and 7500rpm+ target range. Great allround valve springs that will give premium performance and longevity for street & track usage. This is the DRP-9415P spring installed at 1.900".
This makes the spring have 155lbs on the seat and 425lbs open at .650" lift. These high performance dual valve springs will take a Maximum lift of .720" with 060" to coil bind.
Installed Height: 1.900" NOTE: These springs can be installed higher or lower depending on desired rates.
Application: Suitable for camshaft durations 220's through to 240's with the 1.8:1 Ratio Rockers on the 11 degree cylinder heads.
Closed / Seat Load: 155lbs @ 1.800"
Spring Rate: 415 lbs
Open Load: 425 Lbs @ 0.650" lift
Max Lift: 0.720" @ 0.650" lift with .060" safety.
Coil Bind: 1.120"
Valve Spring OD: 1.312"
Valve Spring ID: 0.694"
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MADE IN U.S.A BY PAC SPRINGS.
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All items are Made in USA.
| Spring Height Inch | Load lbs |
| 1.950 | 134 |
| 1.900 | 155 |
| 1.850 | 176 |
| 1.800 | 197 |
| 1.750 | 217 |
| 1.700 | 238 |
| 1.650 | 259 |
| 1.600 | 280 |
| 1.550 | 300 |
| 1.500 | 321 |
| 1.450 | 342 |
| 1.400 | 363 |
| 1.350 | 383 |
| 1.300 | 404 |
| 1.250 | 425 |
| 1.200 | 446 |
| 1.150 | 467 |
| 1.122 | Coil Bind |
BE ADVISED: IMAGE MAY DIFFER FROM ACTUAL PRODUCT.
Specifications
| SKU | DRP-9415P-LS11DKIT |
| Brand | DRP |
| Seat Height | 1.835 |
| Seat Pressure | 129 |
| Coil Bind Height | 1.1 |
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