Diamond Pistons

DIAMOND PISTONS: Buick 231 3.8L Forced Induction Dish Series

  • $730.17
    Unit price per 
  • Save $58.40
Shipping calculated upon verification of order.


Call for Details or Custom Sizes!

  • Includes Wrist Pins and Locks
  • Optional Tool Steel Pin upgrade - call for pricing
  • Optional Ring Sets - call for pricing
Notes: Forced pin oilers from the oil ring; Pin Fitted; 3D Pockets; Designed for mild boost applications; Pins, Lock's & Support Rails (if required) included
Part Bore Stroke Rod C.D. Weight Pin CC's Rings
21401 3.820 3.400 5.960 1.850 531 .940 x 2.750 -29.5cc 1/16 x 1/16 x 3/16
21402 3.830 3.400 5.960 1.850 536 .940 x 2.750 -29.5cc 1/16 x 1/16 x 3/16
21403 3.840 3.400 5.960 1.850 541 .940 x 2.750 -29.5cc 1/16 x 1/16 x 3/16