My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Wiseco K496B6 Professional Series Forged Piston 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

Part Number

K496B6
Sale Price

$1,137.99

Estimated ship date Tuesday, November 17

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco K496B6 Professional Series Forged Piston Set represents the pinnacle of Wiseco's race-proven piston engineering. Designed and manufactured in the USA, these forged pistons draw on Wiseco's decades of experience across elite motorsport programs — including Formula 1, Indy Racing League (IRL), NHRA Pro Stock, MotoGP, AMA Superbike, AMA Motocross, and Supercross — to deliver uncompromising performance for serious engine builders and racers.

Professional Series pistons are no-expense-spared components built for heavy to severe-duty race builds. Engineered from 2618 aluminum alloy at Wiseco's ISO-certified forging facility, each piston benefits from advanced grain-flow-aligned forging technology and complex crown geometries developed through in-house dyno testing.

Key Features:

  • Optimized Valve Pockets — Designed to maximize airflow around the valve, accommodating oversized valves and high-lift camshafts without restriction.
  • Performance Crown Design — Promotes maximum intake charge efficiency through cross-flow scavenging during valve overlap, driving increased fuel-air mixture and horsepower.
  • Anti-Detonation Dome Geometry — Engineered for optimal quench during the compression/combustion cycle, resisting detonation and pre-ignition for longer engine life and higher power potential.
  • Precision-Machined Ring Grooves — Calculated groove root diameters and axial widths deliver excellent surface finish, maximum ring seal, and minimized blow-by and oil consumption.
  • Complex Skirt Profiles — Reduce power-robbing friction while maintaining bore stability for optimal ring seal throughout the RPM range.
  • ISO-Certified Forging Facility — Utilizes the latest forging technologies including complex forged shapes, advanced materials, and feature-aligned grain flow for world-class consistency.
  • ArmorGlide® Skirt Coating — Wiseco's proprietary dry-film lubricant reduces friction, improves wear resistance, and allows tighter piston-to-bore clearances for reduced piston rock and quieter operation.

ArmorGlide® Skirt Coating is the result of extensive in-house dyno development and benchmarking. Unlike a non-coated piston, ArmorGlide allows a tighter bore fit that improves ring seal, minimizes piston rock noise, and delivers maximum horsepower with improved seizure resistance.

The Wiseco K496B6 Professional Series piston set is the ideal choice for performance engine builds demanding race-level durability, precision manufacturing, and proven horsepower gains.

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

17.0 dome / 13.6 flat top:1

Comp Ratio @ 63CC

14.9 dome / 12.2 flat top:1

Comp Ratio @ 67CC

14.3 dome / 11.8 flat top:1

Comp Ratio @ 80CC

14.0 dome / 11.6 flat top:1

Dome Volume

15.6cc solid D / -4cc cut to FT

Rod

6.535

Stroke

4.25

Petty good

Very happy

this is a great deal on a set of bedrail caps

great store to deal with shipping is a little high but good at keeping me updated on my order

First time buyer and couldn't be happier with the service and follow through! Great Job Autoplicity!!!

Great prices and service. Quality parts for the best price online. Will be my first choice form now on.

like the pay with amazon feature

Great.fast

I like it, have recommended this site to friends.

So far everything seems good.

Great Prices, Easy Shopping, Fantastic Inventory!

Good prices and also discounted shipping sold me on it.

Lowest price on the Internet, good packaging and fast shipping.

The lowest price on the internet for this part and they shipped it fast!!!! This was definitely a very good experience!<br>I will gladly buy parts from this company again!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy