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Auto Tec Pistons 1000144 Forged Dish 4.020 Bore, SB Chevy 381

Original price was: $199.75.Current price is: $49.94.

SKU: IVJRV500809 Category:

Description

Auto Tec pistons are manufactured on a forged side relief 4032 alloy pistons which is great for street/strip applications.Auto Tec pistons piston offer standard features like broached pin oilers for increased wrist pin lubrication, accumulator grooves, pin fitting wrist pins, wire locks included and 927-2700-51-15C wall wrist pin included. Auto Tec pistons have CNC Machined ring grooves that accept 1.5, 1.5, 3mm rings (Rings Sold Separately)

Compression Ratio:

  • 58cc 10.1:1
  • 64cc 9.5:1
  • 70cc 9.0:1