KB Hypereutectic SB Chevy Flat Top Lightweight Piston Set - 4.040" Bore - 3.480" Stroke - 5.700" Rod Length HTA20003 Bracket assembly can be mounted

Bracket assembly can be mounted at any angle about the perimeter of the cam pulley to clear various front accessory drive arrangements

Smooth High Performance Ratchet Action

Holley GM LS1 Valve Cover Set - Polished 241-90

You asked for it and AFCO delivered

1991-1993 Nissan NX

KB Hypereutectic SB Chevy Flat Top Lightweight Piston Set - 4.040" Bore - 3.480" Stroke - 5.700" Rod Length HTA20003 Bracket assembly can be mountedModern 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