Home / Shop / Wiseco Pro Tru Street Pistons PTS525A3 Pistons, Pistons, 4.155 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, 6.6L, Kit

Wiseco Pro Tru Street Pistons PTS525A3 Pistons, Pistons, 4.155 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, 6.6L, Kit

SKU: WISPTS525A3

Pistons

Wiseco

Wiseco Pro Tru Street Pistons PTS525A3 Pistons, Pistons, 4.155 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, 6.6L, Kit

SKU: WISPTS525A3

Pistons

IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

Our Pro Tru Street series pistons are forged from 4032 alloy aluminum in Mentor, Ohio and includes rings, pins, and clips for an all-inclusive rebuild. For any build budget, Wiseco has the piston to get you on the road or down the track.

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-09-30 17:39:51

Features

4032 Forged Aluminum
ArmorGlide Skirt Coating: Seizure resistant, Friction Reduction, and Quieter Operation
AS-Forged Dome with Crown Features & Oil Drain Backs
Chromium Alloy Steel Piston Pin & Spirolox Included

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: PTS525A3
Product Attributes - Part Type: Pistons
Product Attributes - Product Line: Wiseco Pro Tru Street Pistons
Product Attributes - UPC: 00193564093523
Product Attributes - Piston Rings Included: Yes
Product Attributes - Bore (in.): 4.155 in.
Product Attributes - Bore (mm): 105.537mm
Product Attributes - Stroke: 3.750 in.
Product Attributes - Rod Length: 6.000 in.
Product Attributes - Piston Style: Flat top, with two valve reliefs
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.125 in.
Product Attributes - Piston Head Volume (cc): +5.00cc
Product Attributes - Wrist Pin Style: Press-fit or floating
Product Attributes - Wrist Pin Retainers Included: Yes
Product Attributes - Wrist Pin Included: Yes
Product Attributes - Pin Diameter (in.): 0.927 in.
Product Attributes - Piston Ring Thickness: 1/16 in. x 1/16 in. x 3/16 in.
Product Attributes - File Fit: Yes
Product Attributes - Gapless: No
Product Attributes - Top Ring Thickness: 1/16 in.
Product Attributes - Top Ring Material: Ductile iron
Product Attributes - Top Ring Facing Material: Plasma-moly
Product Attributes - Second Ring Thickness: 1/16 in.
Product Attributes - Second Ring Material: Iron
Product Attributes - Second Ring Facing Material: Phosphate coated
Product Attributes - Oil Ring Thickness: 3/16 in.
Product Attributes - Oil Ring Material: Carbon steel
Product Attributes - Oil Ring Facing Material: Chrome
Product Attributes - Oil Ring Tension: Standard
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold as a set of 8.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisPTS525A3
SFX Item ID	4764151
Supplier Item Code	4764151
Manufacturer SKU	PTS525A3
Manufacturer UPC	193564093523
Alternative References	WPTPTS525A3, 6.6L