Formerly KB Forged Pistons. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best value for your money. Exclusive V-rib adds strength without adding weight but allows maximum cooling.
For Chevy 383 c.i. V8 (4.000" bore x 3.75" stroke). Use Style A rings (5/64", 5/64", 3/16").
- High ductility 2618 alloy
- Dual forced pin oiling on most applications
- Lateral gas porting on higher compression ratios
- Fully machined with deep valve pockets
- Second land accumulator grooves
- Top land mini groove technology
- Diamond finished skirts
- Triple wound spiral locks
Ring Style Chart (GIF)
474-735 Instructions (PDF)
Clearance!!
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS