PAC 1200 Series Drag Racing Valve Springs
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 240 @ 1.900"
Open Pressure: 625 @ 1.200"
Coil Bind: 1.150"

Pacaloy Mechanical Roller Springs
1.550 Dia
240 @ 1.900 Seat
625 @ 1.200
1.100 Coil Bind

Pacaloy Mechanical Roller Springs
1.550 Dia.
w/Special Processing
240 @ 1.900
625 @ 1.200
1.100

1200 Series Drag Racing Springs
1.550 Dual
0.800 Lift
Set of 16

Racing Springs
1.550 Dual
Drag Race
0.800 Lift
Set of 16

Pacaloy Mechanical Roller Springs
1.550 Dia.
w/Special Processing
275 @ 2.000
805 @ 1.200
1.150

PAC 1300 Series Drag Racing Valve Springs
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 275 @ 2.000"
Open Pressure: 805 @ 1.200"
Coil Bind: 1.150"

Max Effort™ Roller Valve Springs
Style: Dual with Damper
Outer O.D.: 1.557"
Closed Pressure: 224 @ 1.900"
Open Pressure: 540 @ 1.250"
Coil Bind: 1.150"