KB Hypereutectic Dome Pistons - SB Ford 302 - 5.090" Rod Length, .030" Over Bore Size H759C09L (10) Select Sizes w/ 16

(10) Select Sizes w/ 16 AN Male Ports Will Be Stocked (no longer special order)

17 mm Double D to 3/4 in Smooth

Ideal for high-performance's street and drag racing

Kits include all necessary hardware to secure the top and bottom of one window net

Black / Textured / Natural

KB Hypereutectic Dome Pistons - SB Ford 302 - 5.090" Rod Length, .030" Over Bore Size H759C09L (10) Select Sizes w/ 16Modern piston design locates the top ring higher for improved performance. a high top ring operates at higher temperatures and requires a larger top ring end gap. To find the proper ring end gap, multiply your bore size by the ring end gap factor listed on the chart (i. e. , Street Normally Aspirated 4. 000" bore x . 0065" gap factor = . 026" total top ring end gap). Your hypereutectic performance piston will expand less than typical cast or forged