Link to Us
Enter Your Email To Sign Up
For Our E-Newsletter:
Pistons and Rings
Turbo Buick Forged Diamond Piston Set .040 Over
Weber Power Products uses only the highest quality pistons in our performance turbo Buick engines. We sell these same high quality forged pistons directly to our valued customers, and our piston of choice is from Diamond Pistons.
Diamond Pistons for turbo Buicks feature:
Upgraded replacement type 2618 alloy forged pistons
Specifically engineered for turbo applications
.250 undercrown thickness
Ratios figured .000" deck @ 9.510"
Standard 1/16" x 1/16" x 3/16" ring package
Top ring down .280"
Premium 4130 pins included
Revised quench area improves performance
Pin: .940 x 2.750
Compression Ratio at 40cc - 9.4
Compression Ratio at 44cc - 9.0
Compression Ratio at 48cc - 8.6
Part Number: DIA 21403
Description: .040 Over Turbo Buick V6 Piston Set (Rings Not Included)
Please note that piston rings are not included in this set.
Piston rings designed for this set: DIA 09023840
Shipping and Returns
Terms and Conditions
Friday 8:30am-5pm EST.