Plungers, Barrels and Delivery Valves
1. Please email or fax all other specifications,
sizes and quantities by clicking
Contact Us
2. Shipping from northern California is not
House machined custom high
plunger/barrel upgrade kit
P7100 pump class
Such as 16 mm flat top P/B kit
enlarged from 13 mm versions
(3rd party supplied) for
pumps includes 6 high strength
springs, 6 spring covers, 6
spring seats, 6 control sleeves, 6
barrel spill rings, 6 spill ring
clamps, and a control rack. A
modified housing with enlarged
mid-section of barrel chambers
is required - available with a
diagram. For capability see
Also available in 14, 16 & 17mm
flat top P/B for custom
8800 series pump

11mm Cummins plunger:
11mm Cummins type
plungers/Barrels special
fabrications include an enlarged
version of Cummins 3052223
Also available 15mm, 16mm and 17mm plungers
MW plunger
Custom performance 12mm
flat-top plunger & barrel for
Simms pumps

12mm A pump plunger & barrel
with double helix including
control sleeve and spring cover.
- Large 8mm
Delivery valves
- 6X16+
- Quick return
- Repair kit
- Repair tools
1.  Plungers & Barrels   RPB-2418455333  
(13mm)   (Pack of 6)

(No modification of parts or housing required)
2. Plungers & Barrels   
RPB-P7100-13MM-F-SET6 (13mm)   (Pack of 6)
(Flat top -
performance applications, no
modification of parts or housing required), 800cc
pump flow output (per accommodations)
1.                 D. Valve (Pack of 6)
(large performance size for P7100 pumps)
Model: RDV-P7100-151-8MM
Also available with holders - please contact
Delivery valve holder for above
delivery valve (7mm) including
spring for P7100 pumps with
M14X1.5 port
Model: RDV-P7100-DV/HDR-027
D. Valve (Pack of 6) (Large size -
constant pressure type for P7100
pumps, with 8mm dia.)
2.                  Delivery valve holder for above
delivery valve RDV-P7100-045-8MM-CON
including spring for P7100 pumps, with M14X1.5
Model: RDV-P7100-DV-LAG-HDR
3.                 Delivery valve, performance type
for Rocken 8800 P (large performance) pump,
per unit, needs 6 per 6-cyl pump, with 9mm dia.
Base flange diameter: 21.80mm
Model: RDV-P8800-14-01
3.         16mm plunger/Barrel kit for P7100 pump
see left for details.
Rocken part No.:RPB-P7100-16MM-FLAT-KIT-6
with springs, spring covers, control sleeves & spring seats
spill rings, clamp rings, O-rings, control rack
output magnitude can be greater than    
any equivalent pumps - Contact for details
Available for 8-cylinder version also
Modified P7100 housing for 16mm plunger kit is required
a diagram of how to modify the housing will be provided with order
Available for immediate shipping
Plungers - CAT and Cummins applications          

1.                 Plunger                 1W 6541                                          

2.                 Plunger                 8N3539                                       (Pack of 4)

3.                 Plunger/Barrel     3076125  
4.                 Plunger/Barrel     3076126
5.                 Plunger/Barrel     3037292
6.                 Plunger/Barrel     3047963
7.                 Plunger/Barrel     3052223                                       (Pack of 6)
MW Plungers
1.                 Plunger/Barrel     1 418 415 077
Please visit our
rotor heads page for additional information related to the
plungers and barrels.
12mm Simms and A pump plungers
Including custom performance 12mm plungers and barrels.
Plunger, custom 9mm plunger & barrel, stock
version for Simms pump. (6-Pack)
Rocken code: RPB-SIM-9MM
Plungers & Barrels
Plungers & Barrels for P7100 pump      
Delivery Valvess
14mm Flat-Top plungers & barrels
for Rocken 8800 performance
pumps, per plunger and barrel unit,
6 units required for 6-cyl pump
Model: RPB-P8800-14F
16mm Flat-Top plungers &
barrels for
Rocken 8800 series
inline P pumps    
Model: RPB-P8800-16F
House machined
custom item for
version pumps
17mm Flat-Top P&Bs for high
performance pumps
Model: RPB-P8800-17F
House machined
custom item for
version pumps
Plungers & Barrels for Rocken 8800 series P pumps   
Foreign Freight
Please add this to
your cart if shipping
to international areas
outisde the U.S.
Please view
online sales policy
for more information.
Extreme performance custom 9mm delivery valves
3mm delivery holders for P7100 pumps are
available - please
contact for costs and purchases.
These large custom sized parts used to be only for
our 8800 performance pumps.