Engine & Transmission Additives
Targeted additives that restore performance without a workshop visit.
Showing 4 products in this category
Engine Flushing Additive
Dissolves oil sludge safely, 100% active purpose-specific detergents.
from$119
Lifter-Free Oil Additive
Stops lifter clacking by dissolving varnish and carbon deposits.
$116
Anti-Shudder Additive
Reduces and eliminates auto transmission shudder.
$78
ZDDP Oil Additive
Restores the ZDDP protection classic and vintage engines were designed for.
from$129
Not sure which one you need?
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