Offset Timing Keys Category_Default Category/SLED/Polaris/IQ 800/Clutching Learn about Secondary springs HERE

Learn about Secondary springs HERE

Same design works well with naturally aspirated engines as well

Beating the competition on the CSRA race course is just one of many aspects that set the XTX belt apart from its competition

A very broad powerband from 7800-8000 RPM

Offset Timing Keys Category_Default Category/SLED/Polaris/IQ 800/Clutching Learn about Secondary springs HEREBMP Offset Timing Keys are offset to advance timing by slightly rotating the flywheel in various degrees. Advance your timing for more horsepower. On average it's 1 2 HP per degree. Premium gas required in most cases. 4 5 degree typically require race fuel. Easy bolt on performance! BMP Advanced Timing Keys Read full description below before purchasing Small 1. 3 Degree PN: BMP TK1 Small 4 Degree PN: BMP TK3 Large 1. 25 Degree PN: BMP TK4 Large 2. 5