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Wiseco 6493B6 Professional Series Forged Piston with ArmorGlide Skirt Coating - Set

(Chevrolet Corvette 1970-74, Impala 1970-76, Malibu 1973-75, C1500 1990-93, Chevelle 1971-73, Blazer 1973, C10 Pickup 1973-74, Caprice 1970-76 + 48 more models)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

6493B6
14 reviews
Sale Price

$172.99

Estimated ship date Friday, November 27

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Product Details

The Wiseco 6493B6 is a Professional Series forged piston set engineered for high-performance automotive applications. Drawing from decades of experience at the highest levels of motorsport — including Formula 1, Indy Racing League (IRL), NHRA Pro Stock, MotoGP, AMA Superbike, AMA Motocross, and Supercross — Wiseco brings race-proven piston technology to the performance street and track builder.

Each piston is precision-forged at Wiseco's ISO Certified facility using advanced materials and feature-aligned grain flow technology, ensuring exceptional strength, heat resistance, and dimensional consistency across every piece in the set.

Key Features:

  • Optimized Valve Pockets: Designed to maximize flow around the valve head while accommodating oversized valves and high-lift camshafts.
  • Performance Crown Geometry: Piston crown shapes promote maximum intake charge efficiency through enhanced cross-flow scavenging during intake and exhaust valve overlap — more air and fuel for more horsepower.
  • Quench-Optimized Dome Design: Piston domes are engineered for optimal quench during the compression and combustion cycle, improving resistance to detonation and pre-ignition for longer engine life and increased power potential.
  • Precision-Machined Ring Grooves: Calculated groove root diameters and axial widths deliver excellent surface finish and flatness, ensuring maximum ring seal and minimized blow-by and oil consumption.
  • Complex Skirt Profiles: Advanced skirt geometry reduces power-robbing friction while maintaining bore stability for optimum ring seal throughout the rpm range.
  • ISO Certified Forging Facility: Manufactured using complex forged shapes, advanced alloys, and feature-aligned grain flow technology for world-class quality and consistency.

ArmorGlide Skirt Coating

Wiseco's proprietary ArmorGlide skirt coating is the result of rigorous in-house dyno testing and development. This advanced dry-film lubricant reduces friction, improves wear resistance, and allows the piston to be fitted tighter within the bore than an uncoated piston. The tighter fit improves ring seal and eliminates piston rock noise — delivering real, measurable horsepower gains from the first run.

Products specifications

Fits

Chevrolet Corvette 1970-74, Impala 1970-76, Malibu 1973-75, C1500 1990-93, Chevelle 1971-73, Blazer 1973, C10 Pickup 1973-74, Caprice 1970-76, C10 1975-80, El Camino 1970-75, K2500 1991-2000, Express 3500 1996-2000, C3500 1988-2000 + 43 more models

Bore

4.555

Comp Ratio @ 61CC

17.3 dome / 15.3 flat top:1

Comp Ratio @ 63CC

16.9 dome / 15.0 flat top:1

Comp Ratio @ 67CC

16.0 dome / 14.3 flat top:1

Comp Ratio @ 80CC

13.9 dome / 12.6 flat top:1

Dome Volume

4cc solid D / -6cc cut to FT

Rod

6.535

Stroke

4.25

Piston Quantity

1

Wrist Pin Style

Floating

Make

Chevrolet

Piston Material

2618

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Bore Diameter

4.560

Compression Height

1.120

Industry

Automotive

Product Market

Domestic

Engine Type

ICE

Engine

Big Block

Title

Wiseco - Chevrolet, Big Block, 4.560 in. Bore, Piston

Wrist Pin Material

52100

Product Series

Professional

Product Type

Engine Piston

Wrist Pin Outer Diameter

0.990

Forging Type

Strutted

Out of Stock Message

Estimated Shipped Date 3-4 Weeks

EBAY Category ID

33623

Engine - Web

Big Block

Make - Web

Chevrolet

Ring Set Included

No

Skirt Coating

Yes

Wrist Pin Included

Yes

Piston Volume

4.00

Title - Web

Professional Chevy Big Block Piston - 4.560 in. Bore - 1.120 .in CH, 4.00 CC

Easy to follow web page

Had to restart the process several times to get the order placed

Great deal and fast shipping. Would do business with again for sure.

Great prices!!

Thanks

Im really pleased with the order process and will be ordering from them again

Merchant agreed to resolve the issues. Items were received after 3 days and received the lowest price.

easy ordering

Found the K&N filter for my 2012 Acura TL at Autoplicity for the best price and delivery took about 2 business days. Can't ask for more.

Wow, just Wow! Best prices around, fast shipping and great customer service. I am now a permanent and loyal customers.

Very easy and the best pricing

i ordered both lockers and air compressor from autoplicity they have the best price online and great customer service! can't wait to order again

Prompt on shipping order and delivery. I will use them again with future purchases

Smooth so far good price.

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