A component designed to adapt an engine’s camshaft drive system. It enables the replacement of an earlier two-fastener camshaft with a more modern and robust three-fastener configuration. This typically involves a new camshaft, timing gears, and associated hardware, facilitating enhanced camshaft stability and reduced risk of slippage or timing inaccuracies.
This modification offers improved reliability and performance, particularly in high-performance engine applications. The increased clamping force of the three-bolt design minimizes camshaft gear movement, resulting in more precise valve timing. Historically, this upgrade was often implemented to address weaknesses in older engine designs prone to timing issues. It allows for the use of newer camshaft designs with improved profiles.