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DSS Forged -7cc Flat Top Pistons, Late Style 389, 3.75" Str,

Forged Flat Top Pistons
-7cc Valve Pocket
4.100", or 4.120 Bore
1.710 CH
.980" Pins Included
6.625" Rod Length
1/16", 1/16", 3/16" Rings Required
Fits late model and Edelbrock Cylinder Heads
Availability: Ships in 7-10 Business Days
Pricing: $648.95

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389 Pontiac DSS FX Series Forged Piston 2618 Alloy (For use in 3.750" stroke x 6.625" rod) -7cc Flat Top with two large valve reliefs Fits late model and Edelbrock Pontiac heads only, 1.710" comp hgt, Includes .980" full floating pin with double True Arc pin locks, 1/16-1/16-3/16" ring groove, and patented "X Groove" skirt design

Compression Ratio:
72cc-10.18, 78cc-9.59, 85cc-8.99


  • DSS-2-6100-389
  • DSS-2-6100-389
  • DSS Racing
  • Ships in 7-10 Business Days
  • New

Shipping Information

  • Item Requires Shipping
  • 16.0 lbs.

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