Installing O-rings on the through bolts for a 911 engine case often slices the rings on the threads of the bolt, leading to ripped seals at best, or a leaky engine at worst. Use this cap to protect the O-ring and to insure a factory quality seal. Precisely machined from quality brass.
THROUGH BOLT O-RING INSTALLER (SR025)
Original price was: $27.20.$16.75Current price is: $16.75.
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