BTR 750" Lift Spring Kit Solid Roller LSX (SK427)

Using the infamous PSI DR427 RML springs allows BTR to bring the best 1.300" diameter solid roller spring kit to market! Our new SR532-16 retainers made from Ti 17 material with mini 8 lock design ensures many years of reliable use, includes locks. Your choice of .505" ID or .565" ID chromoly locators.

Spring specs:

• PSI DR 427 RML VALVE SPRINGS
• 1.300" outer OD
• .898" outer ID
• .628 inner ID
• Polished
• 230 lbs @ 1.850"   
• 715 lbs @ 1.100   
• Coil Bind @ 1.050" 
• Max Lift .750"