This listing is for a set of (8) Speed Pro Hyper-eutectic Flat top w/ 4 valve reliefs Pistons & matching Moly Rings compatible replacements for 1968-85 350 Chevy 350 BASED engine (4.000" bore x 3.480 Stroke). In your choice of Over sizes. Select over size needed before placing in cart. Ring dimensions 5/64, 5/64, 3/16 Accommodates pressed or floating wrist pin installation. 

LOCK RINGS for floating pins ARE SOLD SEPARATELY and are not included with this set. (We have this same kit with the clips listed at eBay item number:155919769148) 

• Available in Std. +.020" +.030" +.040" & +.060" over size.
• Can Be used as Press fitted or floating pins. 
• Lock rings for floating pins not included. We have these same pistons including lock rings at eBay item number:155919769148
• Coated skirt pistons.
  
• Compression Ratio with 64CC heads:
• STD size 9.22:1
• +.020 over 9.29:1
• +.030 over 9.33:1
• +.040 over 9.37:1
• +060 over 9.44:1
• 
  
• Please Select size needed from drop down before adding to Cart!
  

NOTE: These can be used as an upgrade to Flat Top pistons in 1996-2002 Vortec engines. 

•