PAC Racing - Severe Duty Solid Roller Valve Springs - (1243)
The PAC Racing 1243 is a severe duty, dual valve spring designed for solid roller style valvetrain. Direct replacement for most aftermarket cylinder heads with 1.550" diameter dual springs. Very good valve spring for endurance or dual purpose drag/street applications. Round wire construction.
DIMENSIONS:
1.550” Outside Diameter
1.136" Inside Diameter
0.812" Inside Diameter
No Damper
SPECS:
240# at 1.900”
625# at 1.200”
550#/inch rate
.700” Max Lift
Coil Bind: 1.100"
140 grams
PART NUMBER: PAC-1243-16
