KB PERFORMANCE HYPEREUTECTIC PISTON KITS FOR HARLEY-DAVIDSON

KB PERFORMANCE KB PERFORMANCE HYPEREUTECTIC PISTON KITS FOR HARLEY-DAVIDSON Piston Rings Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy

Allows 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 PERFORMANCE HYPEREUTECTIC PISTON KITS

NOTE: KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions included with piston for correct piston clearance.

NOTE: Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.

NOTE: Each replacement ring PART # denotes rings for two pistons, except 99-06 88" Twin Cam kits, which require two sets.

(FOR 12-17 103" TWIN CAM AND 07-13 96" TWIN CAM BIG BORE 103" COATED SKIRTS chart, and FOR 99-06 95" TWIN CAM BIG BORE (COATED SKIRTS)NOTE: Use lock rings PART #0913-0002 (4-pk.).

(FOR 84-99 80" EVOLUTION BIG TWIN chart, and FOR 86-17XL 883 CONVERSION TO 1200 (COATED SKIRTS)NOTE: Use lock rings PART #0913-0001 (4-pk.).