Allstar Performance Spark Plug Indexing Tool R040003S Achilles relief cut for maximum

Achilles relief cut for maximum flexibility

Note that sometimes racing suits are referred to as "fireproof"

V-Type Rollbar Mount

1961-1966 Oldsmobile Starfire

Allstar Performance Spark Plug Indexing Tool R040003S Achilles relief cut for maximumIndexing positions the ground strap of the spark plug properly for best piston dome clearance and un shrouds the electrode for a more even burn and possible gains of 5 15 horsepower. Works with flat gasket or taper seat 14mm spark plugs. Includes instructions. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over