KB Hypereutectic SB Chevy Dished Piston Set - 4.155" Bore - 3.750" Stroke - 5.700" Rod Length 4125CMDBU The Multi Input controller has

The Multi Input controller has an easy-to-remove plug covering the programming dipswitches and a programming legend on the back for the 0-5v and frequency based settings

driver and engine

HP and Dominator ECU's

Small GM Style

Fits 1994-2004 Ford Mustang

KB Hypereutectic SB Chevy Dished Piston Set - 4.155" Bore - 3.750" Stroke - 5.700" Rod Length 4125CMDBU The Multi Input controller hasModern 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