Sigma Performance Slipper Clutch GSXR1000 K1-K4 2001-2004 - GSXR1000 K1-K4 2001-2004 Shido Lithium ION By utilizing FEA software

By utilizing FEA software

5LB Bottle

Cometic 83mm big stud (13mm) Multi Layer Steel Head Gasket Suzuki GSXR1300 Hayabusa Big stud type for use with oversize heavy duty cylinder studs

Rick's 61-307

Kibblewhite HD valve Spring Kit for the 71-78 CB500/550 fours

Sigma Performance Slipper Clutch GSXR1000 K1-K4 2001-2004 - GSXR1000 K1-K4 2001-2004 Shido Lithium ION By utilizing FEA softwareSIGMA PERFORMANCE SLIPPER CLUTCH GSXR1000 K1 K4 2001 2004 Five ramp, wet type. Hard anodised in grey; Clutch centre only. Uses standard clutch plates and Springs. Sigma slipper clutches are designed to allow easier downshifting on the road or Track. Originally a pure race accessory our slipper clutches smooth gear changes for skilled riders and beginners alike by automatically and seamlessly disengaging the clutch whenever engine braking or rear wheel