KB Performance Hypereutectic Piston Kit 3.498" +0.040" 8.3:1 CR 4.250" Stroke 80" Big Twin - KB297.040 For Harley Motorcycles 1978-1984 HARLEY DAVIDSON PERFORMANCE SEAT Chain Type 525 PO Maximum

Chain Type 525 PO Maximum Engine Displacement (Offroad) 750 cc Maximum Engine Displacement (Street) 750 cc Seal Type O-Ring Tensile Strength 8400 lb Color/Finish Raw Master Link Connector Type Rivet Number of Links 110 Product Name Drive Chain Riding Style Adventure Touring / Dual-Sport Type Chain Model PO Series Riding Style Street Chain Size 525 Units Each Material Steel Riding Style Off-Road Tensile Strength 37

Type Frame Color/Finish Black Riding Style Off-Road Product Name Skid Plate Material Polyethylene (HDPE) Model Pro Units Each Features Mounting Hardware Included

7° or 10° upon activation of a retard input

140" Product Name Spacer Kit

Product Name Adhesive Riding Style ATV Units Each Riding Style Off-Road Dispenser Type Tube Type Glue Application Grips Riding Style Street

KB Performance Hypereutectic Piston Kit 3.498" +0.040" 8.3:1 CR 4.250" Stroke 80" Big Twin - KB297.040 For Harley Motorcycles 1978-1984 HARLEY DAVIDSON PERFORMANCE SEAT Chain Type 525 PO MaximumFeatures Manufactured from high strength, T 5, heat treated, 390 hypereutectic aluminum alloy Allow a tighter fit and longer piston and ring life Diamond machined pistons are held to plus or minus one gram weight and less than one half thousandth inch (. 0005") tolerances from piston to piston Each kit contains two pistons, pins, spiral lock pin clips and Hastings moly rings Replacement piston rings and pin lock rings available separately KB pistons