Speedo Seats & Luggage- racks Frame Chassis Suspension Forktubes Wheels Brake Fenders Gastanks Motorparts Gaskets Intake Transmission & Driveline Exhaust Electrical & Lights Handlebars, Cables & Mirrors Oil tanks Oil & Chemicals Fasteners Windshields Forward controls, Footpegs Miscellaneous MOTOR PARTS - TOP END 10 673 AFTERMARKET PARTS & ACCESSORIES FOR CUSTOM MOTORCYCLES / MOTORCYCLESTOREHOUSE.COM 99-06 88" TO 95" TWIN CAM CONVERSION (KB348) Used with stock heads and cylinders, 3-3/4" bore and 4.938" long cylinders. By boring the stock cylinders to the 3-7/8" big bore size you will increase engine capacity from 88" (1448cc) to 95" (1546cc). 9.25:1 CR. Piston weight 400gr. Piston pin weight 97gr. / Head type: Flat top. Dome +16.7cc / Compression height 1.270". Bore 3.875" (3-7/8") / Stroke 4.000". Rod length 7.667" / Cyl. length 4.938". 944716 Std. 944717 .010" 944718 .020" 944719 .030" 07-17 96" TO 103" TWIN CAM CONVERSION (KB409C) Used with stock heads and cylinders. By boring the stock cylinders from 3-3/4" to 3-7/8" big bore size engine capacity will increase from 96" to 103". 10.0:1 CR with 85cc head. Head type: Flat top. +1.9cc / Compression height 1.076". Bore 3.875" / Stroke 4.375". Rod length 7.667". 944756 Std. 944757 +.005" 944758 +.010" 944759 +.020" 944760 +.030" 944761 +.040" 99-06 88" TO 95" TWIN CAM CONVERSION (KB411) Used with stock heads and cylinders. By boring the stock cylinders from 3-3/4" to 3-7/8" big bore size engine capacity will increase from 88" to 95". High compression (pop-up). 10.5:1 CR. Piston weight 437gr. Piston pin weight 97gr. / Head type: Dome. Dome -11.2cc / Compression height 1.270". Bore 3.875" (3-7/8") / Stroke 4.000". Rod length 7.667" / Cyl. length 4.938". 944741 Std. 944742 +.005" 944743 +.010" 944744 +.020" 944745 +.030" 944746 +.040" KB FORGED SUPER DUTY PISTONS KB HYPEREUTECTIC PISTONS 84-99 1340CC EVO B.T. (KB258) 8.5:1 CR. Piston weight 350gr. Piston pin weight 97gr. / Head type: Flat top. Dome +1.5cc / Compression height 1.375". Bore 3.4980" / Stroke 4.250" (4-1/4"). Rod length 7.440" / Cyl. length 5.550". 944659 Std. 944660 .005" 944661 .010" 944662 .020" 944663 .030" 944664 .040" 84-99 1340CC EVO B.T. (KB305) Pop-up high compression. 9.5:1 CR. Piston weight 392gr. Piston pin weight 97gr. / Head type: Dome. Dome -9cc / Compression height 1.375". Bore 3.4980" / Stroke 4.250" (4-1/4"). Rod length 7.440" / Cyl. length 5.550". 944665 Std. 944666 .005" 944667 .010" 944668 .020" 944669 .030" 944670 .040" 84-99 1340CC EVO B.T. (KB266) Pop-up high compression. 10.5:1 CR. Piston weight 360gr. Piston pin weight 97gr. / Head type: Dome 0.200". Dome -18cc / Compression height 1.375". Bore 3.4980" / Stroke 4.250" (4-1/4"). Rod length 7.440" / Cyl. length 5.550". 944671 Std. 944672 .005" 944673 .010" 944674 .020" 944675 .030" 944676 .040" 944665 944741 944659 944756 944671 944716 17-23 M8 114"/117" TO 120" BIG BORE CONVERSION. SUPER DUTY (KB542LCA) Forged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove 'micro-welding'. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation, final tolerance will be 0.003". The piston creates its own perfect tolerance during run-in, the coating automatically gives the tightest possible & perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 114/117" M8 engines, cylinder must be bored to 4.125" big bore size. Case boring is not required and works with stock 4.500" stroke. 10.9:1 CR. (with 88.6cc head volume) Piston weight: OEM. Piston pin weight 115gr., offset: 0.025" Piston: +1.9cc/Flat top Compression height: 1.083" Ring pack: 1.2mm 1.2mm 3.0mm Bore 4-1/8" / Stroke stock 4.500" 574103 Std. 574104 +.010" 574105 +.020" 574106 +.030" 574107 +.040"
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