MRCM

Our own manufacture
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O-ring Set - water jacket - 260

$3.00 $3.75
Large and small o-ring for the water jacket on Zenoah PUM's . This set fits the 231/ 260 only .

O-ring Set - water jacket - 290/300

$3.00 $3.75
Large and small o-ring for the water jacket on Zenoah PUM's . This set fits the 290 / 300 only .

Performance Worksheet

$0.00
Down load our free worksheet . Take it to the lake and record all of your information from testing . Compare to other testing sessions to find your best setup . Keeps track of what props etc worked per setup . Great information to look over . PDF file. Read below for instructions.

Pipe Clamp for 7/8 Systems

$6.75 $7.75
HD Stainless steel pipe clamp for steel pipes.