Heat-resistant metal construction: Withstands temperatures up to 300 degrees in an oven for reliable engine performance
Easy installation: Sleeves slide together without force, simplifying setup
Protective step design: Prevents sleeves from falling all the way through for added safety
Compatible with Command engines: Designed specifically for use with Command engine models
Summarized by Shop
Sleeves for Command engine per pair (Bore engine to 3.388' heat block to 300 degrees in oven for 4 hours and sleeves in freezer, they should slide together without force. Be sure to leave a bottom step so sleeve cannot fall all the way through.)