Performance Quality at an Affordable Price _ Wiseco Pro Trutm Street series pistons are forged from 4032 alloy aluminum in Mentor, Ohio and include rings, pin, and clips for an all-inclusive build. Wiseco has the pistons to get you on the road or down the track.
Wiseco PTS Series, 4032 aluminum, flat top pistons in Buick 455 engines will generally provide compression ratios in the 11.5 to 12.8:1 range which makes them a good option for engines with aluminum heads and larger than stock camshafts. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .600 valve lift.
Wiseco PTS Series, 4032 aluminum, dish top pistons in 3.8L and 455 Buick engines will generally provide compression ratios in the 8.5 to 10.6:1 range which makes them a good option for pump gas or boosted engines with aluminum heads and larger than stock camshafts. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .600 valve lift.
