Valving valve stacks – Penske Racing Shocks 7300 Series User Manual
Page 10

Part #
VS-AA
AA
.004
.004
.004
.004
Constant
VS-AAP
AA+
.004
.004
.006
.006
Constant
VS-AM
A-
.006
.006
.004
.004
Constant
VS-A
A
.006
.006
.006
.006
Constant
VS-AP
A+
.006
.006
.008
.008
Constant
VS-BM
B-
.008
.008
.006
.006
Constant
VS-B
B
.008
.008
.008
.008
Constant
VS-BP
B+
.008
.008
.010
.010
Constant
VS-CM
C-
.010
.010
.008
.008
Constant
VS-C
C
.010
.010
.010
.010
Constant
VS-CP
C+
.010
.010
.012
.012
Constant
VS-DM
D-
.012
.012
.010
.010
Constant
VS-D
D
.012
.012
.012
.012
Constant
VS-DP
D+
.012
.012
.015
.015
Constant
VS-EM
E-
.015
.015
.012
.012
Constant
VS-E
E
.015
.015
.015
.015
Constant
VS-EP
E+
.015
.015
.020
.020
Constant
VS-FM
F-
.020
.020
.015
.015
Constant
VS-F
F
.020
.020
.020
.020
Constant
1.350 O.D.
1.200 O.D.
1.050 O.D.
.900 O.D.
.750 X .020
Valving
Valve Stacks
Standard
Digressive
Valve
Stack
1.350 O.D. and 1.200 O.D. primarily affects Low Speed
.900 O.D. and 1.050 O.D. primarily affects High Speed
1.475 Shim is used on specific pistons and is generally the same thickness as the 1.350 shim
Constants Compression Valve Stack
Rebound Valve Stack
Constant
When refering to shock valving, (example: A/B), (A) refers to the compression valve stack and (B)
refers to the rebound valve stack.