Moroso Spark Plug Index Washers - Flat Seat - .043" - .050" - .064" RS003C0107 They may seem like normal

They may seem like normal socks

the pump shaft may have turned while removing the old distributor

10-32 threads

use Crankshaft Socket #MOR 61755 or #MOR61756 for Small and Big Block Chevys

Firewall mounted bracket is pre-drilled to accept Allstar power brake boosters or most manual brake master cylinders and includes a dash support bracket

Moroso Spark Plug Index Washers - Flat Seat - .043" - .050" - .064" RS003C0107 They may seem like normalThese washers are designed for use on all 14mm spark plugs with 5 8" hex With three thicknesses in each package, one will correct the electrode placement on any plug and simplify the time consuming task of spark plug indexing The washers are precision stamped from copper for perfect sealing and heat transfer Use with tool #MOR62160. 30 per package, 10 each size Moroso Performance Products is one of the worlds most respected suppliers of automotive