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

Piston Specifications:

Bore: 3.800
Stroke: 3.400
Rod: 5.960
C.D.: 1.850
Pin: .940 x 2.750
CC’s: -29.5cc
Compression Ratio at 40cc - 9.4
Compression Ratio at 44cc - 9.0
Compression Ratio at 48cc - 8.6

Part Number: WRE 805WRE
Description: Standard 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 09023800