Known as: washer a 6.4 / washer large / spring washer b 8 / washer 6.4 / washer a6.4 / washer a 6.a / washer 6.1 / washer b 6
Known as: washer 6.4 din 9021 verz.
Known as: spring washer / spring washer b10 / spring washer b 10 din 137 phr / spring washer b 10 / washer / spring washer b 10 additional headlamp bumper front
These are the self locking copper exhaust nuts to hold on the heat exchangers securely without backing off. very nice built in washer for a secure mating surface. special copper nuts are sold each. 12mm head 8mm hole.