KB Hypereutectic Flat Top Pistons - SB Ford 289 - 5.155" Rod Length, .030" Over Bore Size 01-1630 Each Spring Individually Tested and

Each Spring Individually Tested and RatedEibach has been committed to creating the finest race springs in the world for over two decades

Hood Scoop Plug

Grant offers top-of-the-line series of steering wheels and accessories

At low demand

KB Hypereutectic Flat Top Pistons - SB Ford 289 - 5.155" Rod Length, .030" Over Bore Size 01-1630 Each Spring Individually Tested andModern 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