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Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
Manley Performance Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons
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Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons

MAN591740-8
Piston Sets - Forged - 8cyl
16 Units In Stock - Ships Next Business Day
$ 924.10 $ 785.49
$ 785.49

SKU: 591740-8

Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.0cc Dome Platinum Series Pistons 1955-1997 Chevy V8

Manley Platinum Series pistons fit Chevrolet Small Block V8 engines from 1955 to 1997, machined to 4.040in bore for 383 stroker builds with 3.75in stroke and 6.000in rods. Forged from 2618 alloy, these pistons deliver strength for boosted and high-rpm use. They provide tight ring seal for power gains and cylinder-friendly skirts.

Key Features

  • 2618 Alloy Forgings: Domestic 2618 alloy forgings deliver strength and performance in demanding conditions
  • Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins included standard for durability in high-heat applications
  • Exacting Ring Lands and Grooves: Strict standards for ring lands and grooves improve ring seal and power output
  • Cam and Barrel Profiles: Cam and skirt profiles build power while reducing cylinder wall stress
  • Unique Fixturing: Single-operation skirt turning and ring groove machining ensures ring groove to skirt squareness

Product Notes

  • Pistons are matched set of 8, balanced within 1 gram. pins included, rings sold separately
  • Verify bore size, stroke, rod length, and deck clearance before installation
  • Ships in protective Manley box. handle carefully to avoid skirt damage

Installation Notes

  • Professional installation recommended.
  • File-fit rings to cylinders. target 0.018-0.022in top ring endgap for street use
  • Compatible with standard SBC pins and locks. use 6.000in rods for 3.75in stroke

This Part Fits

Year Make Model Submodel
1965-1982 Chevrolet Corvette Base, Stingray
1964-1972 Chevrolet Chevelle SS, Malibu
1967-1981 Chevrolet Camaro Z28, RS, SS
1967-1995 Chevrolet Camaro Base, RS, Z28
1968-1972 Chevrolet Impala SS
1955-1997 Chevrolet Small Block V8 262-400 cid

Why Choose Manley?

  • Decades of experience engineering pistons for drag racing and circle track
  • 2618 alloy construction handles boost and nitrous reliably
  • CNC machining guarantees consistent tolerances across sets

Frequently Asked Questions

  • Q: What engine specs do these pistons fit?
    A: Designed for Chevy Small Block with 4.040in bore, 3.75in stroke crankshaft, 6.000in connecting rods, and 9.025in deck height
  • Q: What material and weight per piston?
    A: Forged 2618 aluminum alloy. 482 grams per piston with pin installed
  • Q: What about warranty and rings?
    A: Limited lifetime warranty against manufacturing defects. rings not included, recommend Manley file-fit rings

Shipping & Handling

  • Method: UPS Ground / FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Manley branded box, 11in x 11in x 4in
  • Weight: 8.5 lbs
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