KB Hypereutectic Flat Top Pistons - SB Ford 289 - 5.155" Rod Length, .030" Over Bore Size Tools & Supplies Durable fully welded 409S stainless

Durable fully welded 409S stainless steel case

Black Powder Coat / Polished

Bassett's 15 x 8 D-Hole style wheel for the IMCA

The Cold Air Inductions cold-air intake can be installed in under 30 minutes and adds up to 21 rear-wheel horsepower

Incrementso Display Rotates 180

KB Hypereutectic Flat Top Pistons - SB Ford 289 - 5.155" Rod Length, .030" Over Bore Size Tools & Supplies Durable fully welded 409S stainlessModern 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