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Wiseco 60009B6 Professional Series Gas Ported Forged Piston – 4.560 in. Bore

(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

60009B6
Sale Price

$172.99

Estimated ship date Wednesday, November 25

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Product Details

The Wiseco 60009B6 is a Professional Series, Quick 16 forged racing piston designed for serious engine builders and competition racers. Forged from 2618 aluminum alloy for superior tensile strength and fatigue resistance, this individual/replacement piston is engineered for heavy to severe duty race builds where no compromises are accepted. It is sized for a 4.560 in. bore and fits a 9.750 in. deck height block. Wrist pin S462 is included; rings are sold separately (recommended ring set: W77008-4560-5).

Key Features:

  • Gas Ported Design: Precisely machined gas ports channel combustion pressure directly behind the top ring, dramatically improving ring seal and reducing blow-by under high-load, high-RPM race conditions.
  • 2618 Alloy Construction: Engineered, forged, and machined in the USA from 2618 aluminum — the preferred alloy for forced induction, nitrous, and high-output naturally aspirated race applications — delivering improved tensile strength over standard 4032 alloy.
  • ArmorGlide® Skirt Coating: Wiseco's proprietary skirt coating reduces friction, allows tighter bore clearances, and provides seizure resistance for quieter, more efficient operation and improved wear life.
  • Strutted Skirt: Internal strut design controls thermal expansion for consistent bore clearance across a wide operating temperature range, promoting stable ring seal throughout the entire power stroke.
  • Optimized Crown and Valve Pocket Geometry: Piston crown and valve pocket shapes are engineered to maximize intake charge efficiency, promote cross-flow scavenging, and provide ample clearance for oversized valves and aggressive high-lift camshaft profiles.
  • Precision Ring Grooves: Machined to exacting tolerances with calculated groove root diameters and axial widths, ensuring maximum ring seal, minimal blow-by, and reduced oil consumption.
  • ISO-Certified Forging Facility: Manufactured using complex forged shapes, advanced materials, and feature-aligned grain flow technology at Wiseco's world-class in-house forging facility in Mentor, Ohio.
  • Includes Wrist Pin S462 — rings sold separately (recommended ring set: W77008-4560-5)

Wiseco draws on decades of motorsport development — including Formula 1, IRL Indy Car, NHRA Pro Stock, MotoGP, AMA Superbike, and AMA Motocross — to produce race-proven pistons trusted by professional engine builders worldwide. The Professional Series represents Wiseco's highest tier of automotive piston technology, built without compromise for the most demanding race applications.

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

Comp Height

1.155

Comp Ratio @ 107cc

17.5:1

Comp Ratio @ 114CC

16:1

Comp Ratio @ 119CC

15.5:1

Comp Ratio @ 123CC

14.9:1

Dome Volume

45 Hollow

Gram Weight

636

Rod

6.385

Stroke

4.5

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

1.155

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

45.00

Title - Web

Professional Chevy Big Block Piston - 4.560 in. Bore - 1.155 .in CH, 45.00 CC

Please remove from listing the items that are discontinued. I had to order to find out the manufacturer has discontinued the item over 1 year ago. Had my truck in the shop waiting for the item only to find out after a week the item is not available.

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Quick

Really helpful to be able to see competitors price to confirm that Autoplicity has the lowest price.

fast

Seems fine so far, will elaborate when item is received.

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lowest price for backrack toolbox brackets. insanely fast ground shipping. ordered Tuesday, received Thursday afternoon.

Best price shipped on my product period. MBRP light bar for my Wrangler JK. Product shipped day after order was placed and arrived 2 business days later. Product was as advertised. Best price, fast service= return customer. Thanks

The ordering was very easy and shipped quickly but sadly I made a big mistake as I ordered the wrong part. I would like to return the part if possible. Thank you.

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Very easy transaction. Website easy to navigate. Order shipped the next day. Pleasure to do business with!<br><br>

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