1200 Series Drag Springs
1.645 Triple
332 @ 2.100
950 @ 1.200
687 Rate
1.130 Coil Bind
0.900 Max Lift

1300 Series Drag Racing Springs
1.645 Triple
1.0 Lift
Set of 16

Racing Springs
1.645 Triple
Drag Race
Brackets
Set of 16

Racing Springs
1.645 Triple
Drag Race
Pro Stock
Fuel
Set of 16

Pro-Alloy Mechanical Roller Valve Springs
Triple
1.660
0.635
350 @ 2.100
1020 @ 1.200
745
1.145
0.895

Manley, NexTek® Roller Valve Springs
Style: Triple
Outer O.D.: 1.677"
Closed Pressure: 350 @ 2.000"
Open Pressure: 895 @ 1.270"
Coil Bind: 1.160"

Manley NexTek® Roller Valve Springs
Style: Triple
Outer O.D.: 1.677"
Closed Pressure: 350 @ 2.100"
Open Pressure: 1010 @ 1.200"
Coil Bind: 1.142"

Pacaloy Mechanical Roller Springs
1.681 Dia.
w/Special Processing
500 @ 2.200
1256 @ 1.300
1.100

Pacaloy Mechanical Roller Valve Springs
Dual
1.625 OD
0.851 ID
280 @ 2.100
847 @ 1.150
629 Rate

Hi-Tech Performance, Mechanical Roller Valve Springs
Style: Dual with Damper
Outer O.D.: 1.625”
Closed Pressure: 205 @ 1.900"
Open Pressure: 680 @ 1.200"
Coil Bind: 1.125"