Hot Rods Crankshaft - Stroker 4516 M1 CR/CRF Bolt Kit It requires you use both

It requires you use both the front and rear docking hardware (two separate items that are not included and must be purchased separately)

One-of-a-kind

Replacement bolts for Fine-Thread Hex-Head Bolt Assortment

allowing them to be adjusted according to riders leg length

All wire ends are bird-caged prior to terminal casting for superior pull out resistance

Hot Rods Crankshaft - Stroker 4516 M1 CR/CRF Bolt Kit It requires you use bothHot Rods has developed six long stroke applications for ATVs Special pistons for TRX400EX, KFX LTZ 400, Banshee, Warrior and Raptor make these installations simple by avoiding machine work and parts typically required for long stroke engines