Description
DRP High RPM Polished Dual Valve Springs. 351C & BBC 454 Hydraulic Roller
Race/Endurance high performance series by PAC Springs.
Polished LS small OD, light weight Hydraulic Roller Dual Valve Springs.
fits Big Block Chevy 454 & 351 Cleveland
Installed Height: 1.900" or 1.800"
Closed / Seat Load: 155lbs @ 1.900" / 176lbs @ 1.850" / 200lbs@1.800"
Spring Rate: 415 lbs
Max Lift: @1.900" .700" @ 060" safety.
@1.800" .620" @ 060" safety.
Valve Spring OD: 1.312"
Valve Spring ID: 0.694"
MADE IN U.S.A BY PAC SPRINGS.
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 |
Specifications
SKU | DRP-9415P-16 |
Barcode # | 036584270461 |
Brand | DRP |
Seat Height | 1.85 |
Damper | Yes |
Seat Pressure | 158 |
Outer Spring Outside Diameter | 1.55 |
Outer Spring Inside Diameter | 1.14 |
Number Of Springs | 2 |
Inner Spring Inside Diameter | 0.74 |
Valve Spring Series | Race Endurance |
Coil Bind Height | 1.16 |
Spring Rate | 439 |
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