As low as $96.54/mo with or . (Pay in 4 interest-free payments)
KB PERFORMANCE Super-Duty Piston Kit (103" Twin Cam, 11.0:1) KB PERFORMANCE Super-Duty Piston Kit is engineered for high-performance street builds on 3.875" standard bore 11.0:1 compression 103" Twin Cam applications. Designed for a smooth, precise seal and long-lasting durability, this big bore 96" to 103" kit is matched with 85 cc heads for confident power delivery. Built for Precision Fit & Maximum Ring Seal Line2Line skirt coating applied across the piston-to-wall clearance for zero install clearance ; coating abrades in on start-up to hone for the perfect per-cylinder fit . Hard anodized top ring groove helps prevent micro-welding of rings to the groove for a flat, smooth surface and improved ring seal. Skirt coating reduces piston rock for better sealing and no piston slap noise . Hard anodized crown supports heat deflection and helps reduce corrosion from alcohol fuels . Includes & Made in the USA Kit includes pistons, rings, pins and clips . Made in the USA with forged strength for reliable performance. Key Specifications Model: Super Duty Style: Forged Compression Ratio: 11.0:1 Stroke: 4.375" Displacement: 103" Bore: 98.40 mm (3.875" Standard) | Oversize: Standard Head Shape: Domed Piston Material: 4032 Aluminum Alloy Ring Material: Moly Coated Riding Style: Street
New skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install clearance; coating then abrades in on start-up to hone for the perfect fit per cylinder
Hard anodized top ring groove eliminates micro welding of the ring to the groove; this maintains a flat and smooth surface for the best ring seal and top ring groove
Skirt coating eliminates piston rock for the best possible ring seal with no piston slap noise
Hard anodized crown to aid in heat deflection and to reduce corrosion from alcohol fuels
or 
. (Pay in 4 interest-free payments)
