CSP SAVINGS!

CSP2026

Wiseco PTS522A7 - Pro Tru Street Chevrolet Big Block 4.320in Bore 1.270in CH 21.00 CC Piston Set

Wiseco  |  SKU: BJKF-PTS522A7
$74199 $81619

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.


AVAILABILITY: This Item Is Out Of Stock.

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Wiseco PTS522A7 - Pro Tru Street Chevrolet Big Block 4.320in Bore 1.270in CH 21.00 CC Piston Set

Wiseco Chevrolet Big Block Piston Set, 4.320 in. Bore, 1.270 in. Compression Height, 0.990 in. Pin Diameter, Pro Tru Street, Set of 8.

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.

  • ArmorGlide Skirt Coating: Seizure resistant, Friction Reduction, and Quieter Operation
  • 4032 Forged Aluminum
  • AS-Forged Dome with Crown Features & Oil Drain Backs
  • Chromium Alloy Steel Piston Pin & Spirolox Included
EBAY Category ID: 33623
Product Series: Pro Tru Street
Bore Diameter: 4.320
Stroke: 4.250
Rod Length: 6.385
Compression Height: 1.270
Cylinder Head: Conventional Open Chamber
Piston Volume: 21.00
Piston Material: 4032
Skirt Coating: Yes
Forging Type: Slab Sided
Piston Quantity: 8
Wrist Pin Quantity: 8
Ring Set Included: Yes
Ring Set Part Number: S100S8-4320-5
Top Compression Ring Thickness: 0.0625
Top Ring Material: Ductile Iron
Second Compression Ring Thickness: 0.0625
Second Ring Material: Iron
Oil Ring Thickness: 0.1875
Oil Ring Tension: Standard
Third Ring Material: Carbon Steel
Wrist Pin Included: Yes
Wrist Pin Part Number: S460
Wrist Pin Material: 5115
Wrist Pin Style: Floating
Wrist Pin Outer Diameter: 0.990
Wrist Pin Retainer Included: Yes
Wrist Pin Retainer Part Number: CS25
Wrist Pin Retainer Quantity: 16
Wrist Pin Retainer Style: Wire Lock
Wrist Pin Retainer Material: Carbon Steel
Wrist Pin Retainer Thickness: 0.084
Product Type: Engine Piston Set
Engine: Big Block
Engine - Web: Big Block
Make: Chevrolet
Make - Web: Chevrolet
Industry: Automotive
Product Market: Domestic
Category Hierarchy: Auto>Pistons>Piston Kits>Domestic>Pro Tru Street
Out of Stock Message: Estimated Shipped Date 3-4 Weeks
Title - Web: Pro Tru Street Piston Set of 8 Chevrolet Big Block - 4.320 in. Bore - 1.270 in. CH, 21.00 CC
Engine Type: ICE

What are people saying about CSP?