Ford Essex Valve Springs.
Valve Spring Part Number
Engine Type
Spring Type
Fitted Length
Solid Length
Max Valve Lift
Approx Max RPM
Price per Engine set
Remarks
SX1Z
Essex
Single
1.550"
0.810"
0.480"
5,800
£ 64. 23
Standard Single.
SX2Y
Essex
Single
1.550"
0.900"
0.520"
6,700
£ 67. 19
Uprated Single.
SX3X
Essex
Dual
1.575"
0.815"
0.545"
7,500
£ 102. 24
Dual Race.
SX4W
Essex
Dual
1.600"
0.890"
0.575"
8,000
£ 124. 18
Extreme Race.
Cologne Valve Springs.
Valve Spring Part Number
Engine Type
Spring Type
Fitted Length
Solid Length
Max Valve Lift
Approx Max RPM
Price per Engine set
Remarks
CL1V
Cologne
Single
1.620"
0.990"
0.460"
6,000
£ 66. 06
Injection Single.
CL2V
Cologne
Single
1.600"
0.970"
0.480"
6,500
£ 69. 25
Uprated Single.
CL3T
Cologne
Dual
1.620"
0.985"
0.520"
7,400
£99. 94
Dual Race.
Pinto Valve Springs.
Valve Spring Part Number
Engine Type
Spring Type
Fitted Length
Solid Length
Max Valve Lift
Approx Max RPM
Price per Engine set
Remarks
PN1R
Pinto
Single
1.500"
0.740"
0.480"
6,000
£ 42. 38
Standard Pinto.
PN2Z
Pinto
Single
1.550"
0.810"
0.550"
7,000
£ 42. 88
Uprated Single.
PN3Y
Pinto
Single
1.575"
0.900"
0.550"
7,500
£ 44. 89
Further Uprated Single.
PN4X
Pinto
Dual
1.575"
0.815"
0.560"
8,500
£ 68. 16
Extreme Race.
                 
                 
Exhange Cylinder Heads