Allows you to adapt a modern compression tester to use in the stock Model A spark plug hole. Correct compression is 55 to 70 lbs. psi. There should be no more than 6 lbs. variation between cylinders.
SKU
8471
WEIGHT
0.119
YEAR(S)
1928-1934
DROP SHIPPED
No
ADDTIONAL HANDLING FEE
No
WARNING:
Cancer and Reproductive Harm
www.P65Warnings.ca.gov