FIRE Springs - Autococker Spring Kits

FIRE Springs are MADE IN THE USA by US workers 

The kit consists of 5 levels of spring strengths in hammer springs and 6 valve springs making 30 combinations for tuning.  All springs are made from music wire. 

Spring Weights: (Lightest) White, Yellow, Blue, Green, Red, Black (Heaviest)

The comparison chart will show the +/- relative to the FIRE spring.  Example if it shows "Blue - / Green +" then it means the FIRE Blue spring is softer and Fire Green spring is harder than the comparative.

• Hammer springs are 2" in length 
  
• Valve springs are 1-1/4" in length