PAC Racing Specialty & Class Specific Valve Springs PAC-1212X-16

PAC Racing Specialty & Class Specific Valve Springs PAC-1212X-16

RSC-PAC-1212X-16

Not Yet Reviewed

Part Number: RSC-PAC-1212X-16

Estimated Ship Date: Oct 26, 2026

$220.90

Results Found: 11

Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1955
Ending Year:
1957
Engine Type:
V8
Engine Size:
4.3L/265
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1957
Ending Year:
1967
Engine Type:
V8
Engine Size:
4.6L/283
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1962
Ending Year:
1969
Engine Type:
V8
Engine Size:
5.3L/327
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1964
Ending Year:
1967
Engine Type:
V8
Engine Size:
5.4L/327
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1967
Ending Year:
1969
Engine Type:
V8
Engine Size:
4.9L/302
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1967
Ending Year:
2002
Engine Type:
V8
Engine Size:
5.7L/350
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1968
Ending Year:
1973
Engine Type:
V8
Engine Size:
5.0L/307
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1970
Ending Year:
1980
Engine Type:
V8
Engine Size:
6.6L/400
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1975
Ending Year:
1976
Engine Type:
V8
Engine Size:
4.3L/262
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1976
Ending Year:
2002
Engine Type:
V8
Engine Size:
5.0L/305
Application Notes:
604 crate motor cheater spring.
Engine Family:
Chevy small block Gen I
Make:
CHEVROLET
Installed Height (in.):
1.750 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
315 lbs.
Beginning Year:
1979
Ending Year:
1982
Engine Type:
V8
Engine Size:
4.4L/267
Application Notes:
604 crate motor cheater spring.
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