CP-Carrillo Automotive Piston, Set Of 8, Cyl: 8, Material ID: 418 066MQ 2011-jeep-grand-cherokee-esi2564706 Do I need new fasteners

Do I need new fasteners to install these

especially with the textured finish which hides minor discoloration

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Enhances front-end aggression and lower bumper definition

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CP-Carrillo Automotive Piston, Set Of 8, Cyl: 8, Material ID: 418 066MQ 2011-jeep-grand-cherokee-esi2564706 Do I need new fastenersSmall Block Chevy LS1 Piston Kit SBC LS1 Flat Top & Dish Designed on X style forging to clear reluctor wheel Fit LS1, LS2 and LS6 heads Designed for shorter wrist pins Pinfitting included at no cost Chamfered pins and wire locks included Accumulator and anti detonation grooves included Designed for back cut rings Double pin oilers, force fed from oil ring Pick lock grooves for easy lock removal Custom skirt cam and barrel shapes Supplied with Wire