OUR OFFICES ARE CLOSED TUESDAY, DECEMBER 24th THROUGH WEDNESDAY, JANUARY 1st FOR THE HOLIDAYS.
Orders received during this time will be processed when we resume normal business hours on Thursday, January 2nd.

Thank YOU for another great year and we are looking forward to keeping you on the water in 2025!
Merry Christmas, Happy New Year and God Bless YOU!

PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

Lock Washer For Exhaust Riser Bolt For All Small Blocks 5/16" #10 Spring PCM RS2179

$0.20 $0.28


PCM Riser Bolt Lock Washers for all small blocks

Lockwasher, manifold to cylinder head attaching

PCM Ford & GM 5.0 & 5.7, & 6.0 L (non-CES engines)

12 REQUIRED FOR EACH SIDE OF ENGINE!