Wiseco Professional GM 2.4L Dished Piston Set of 4 - 90.50MM Bore 30.00MM CH -7.50CC - K584M905
Take your GM 2.4L Twin Cam (LD9) engine build to maximum potential with the Wiseco Professional Series Forged Piston Set (K584M905). Designed specifically for serious engine builders, tuners, and high-horsepower competition builds, these no-expense-spared pistons are engineered, forged, and machined in the USA from high-tensile 2618 aluminum alloy. Featuring a 90.50mm over-bore, 30.00mm compression height, and a -7.50cc dish volume, this set provides exceptional strength and optimized compression for extreme performance applications.
Every piston in this professional kit is packed with advanced racing technology, including ArmorGlide skirt coating to minimize friction, reduce wear, and provide quieter engine operation. Complete with premium performance piston rings, fully machined crown features, precision ring grooves, anti-detonation bands, and forced pin oiling, this set delivers unmatched ring sealing and durability under severe heat and stress.
Features
- Engineered, forged, and machined in the USA from high-strength 2618 aluminum alloy
- ArmorGlide skirt coating for reduced friction, seizure resistance, and quieter operation
- Dished (-7.50cc) design with fully machined crown features and anti-detonation grooves
- Precision-machined ring grooves with included high-performance ring set
- Forced pin oiling to ensure optimal wrist pin lubrication under heavy loads
- Full round forging architecture designed to handle heavy to severe duty racing environments
- Includes high-strength 5115 floating wrist pins and retainer rings
Specifications
- SKU / Part Number: K584M905
- Manufacturer: Wiseco
- Product Series: Professional Series
- Engine Application: GM 2.4L Quad 4 / Twin Cam (LD9)
- Bore Diameter: 90.50 mm (3.563 in)
- Compression Height: 30.00 mm (1.181 in)
- Piston Volume: -7.50 cc (Dished)
- Piston Material: 2618 Forged Aluminum
- Skirt Coating: Yes (ArmorGlide)
- Forging Type: Full Round
- Piston Quantity: 4 (Complete Set)
- Ring Set Included: Yes
- Top Ring Thickness: 1.0 mm
- Second Ring Thickness: 1.2 mm
- Oil Ring Thickness: 2.8 mm
- Wrist Pin Included: Yes
- Wrist Pin Material: 5115 Alloy Steel
- Wrist Pin Outer Diameter: 0.866 in (22 mm)
- Product Type: Engine Piston Set
- Product Market: Sport Compact
What's in the Box
- 4 x Wiseco Professional Series Forged Pistons
- 4 x Premium Performance Ring Sets
- 4 x High-Strength 5115 Floating Wrist Pins
- Pin Retaining Locks (Circlips)
Fitment
Chevrolet Malibu:
- 1997 Chevrolet Malibu (2.4L LD9 Twin Cam)
- 1998 Chevrolet Malibu (2.4L LD9 Twin Cam)
- 1999 Chevrolet Malibu (2.4L LD9 Twin Cam)
- 2000 Chevrolet Malibu (2.4L LD9 Twin Cam)
- 2001 Chevrolet Malibu (2.4L LD9 Twin Cam)
Chevrolet Cavalier:
- 1996 Chevrolet Cavalier Z24 (2.4L LD9 Twin Cam)
- 1997 Chevrolet Cavalier Z24 (2.4L LD9 Twin Cam)
- 1998 Chevrolet Cavalier Z24 (2.4L LD9 Twin Cam)
- 1999 Chevrolet Cavalier Z24 (2.4L LD9 Twin Cam)
- 2000 Chevrolet Cavalier Z24 (2.4L LD9 Twin Cam)
- 2001 Chevrolet Cavalier Z24 (2.4L LD9 Twin Cam)
- 2002 Chevrolet Cavalier Z24 (2.4L LD9 Twin Cam)
Pontiac Grand Am:
- 1996 Pontiac Grand Am (2.4L LD9 Twin Cam)
- 1997 Pontiac Grand Am (2.4L LD9 Twin Cam)
- 1998 Pontiac Grand Am (2.4L LD9 Twin Cam)
- 1999 Pontiac Grand Am (2.4L LD9 Twin Cam)
- 2000 Pontiac Grand Am (2.4L LD9 Twin Cam)
- 2001 Pontiac Grand Am (2.4L LD9 Twin Cam)
Pontiac Sunfire:
- 1996 Pontiac Sunfire GT (2.4L LD9 Twin Cam)
- 1997 Pontiac Sunfire GT (2.4L LD9 Twin Cam)
- 1998 Pontiac Sunfire GT (2.4L LD9 Twin Cam)
- 1999 Pontiac Sunfire GT (2.4L LD9 Twin Cam)
- 2000 Pontiac Sunfire GT (2.4L LD9 Twin Cam)
- 2001 Pontiac Sunfire GT (2.4L LD9 Twin Cam)
- 2002 Pontiac Sunfire GT (2.4L LD9 Twin Cam)
Oldsmobile Alero:
- 1999 Oldsmobile Alero (2.4L LD9 Twin Cam)
- 2000 Oldsmobile Alero (2.4L LD9 Twin Cam)
- 2001 Oldsmobile Alero (2.4L LD9 Twin Cam)
Oldsmobile Cutlass:
- 1997 Oldsmobile Cutlass (2.4L LD9 Twin Cam)
- 1998 Oldsmobile Cutlass (2.4L LD9 Twin Cam)
- 1999 Oldsmobile Cutlass (2.4L LD9 Twin Cam)
Oldsmobile Achieva:
- 1996 Oldsmobile Achieva (2.4L LD9 Twin Cam)
- 1997 Oldsmobile Achieva (2.4L LD9 Twin Cam)
- 1998 Oldsmobile Achieva (2.4L LD9 Twin Cam)
Buick Skylark:
- 1996 Buick Skylark (2.4L LD9 Twin Cam)
- 1997 Buick Skylark (2.4L LD9 Twin Cam)
- 1998 Buick Skylark (2.4L LD9 Twin Cam)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
