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Vehicle Info NeededSEALED POWERPART NUMBER: 844-235NP40
Pistons Chevy 283ci V8 +040
$27189
Ships on 09/17/2026
Lowest Price GuaranteeGM Pistons
Cast Pistons Chevy 283ci V8 1957-1967 3.915" Bore (+.040") Flat Top w/4 Valve Reliefs Set of 8
Technical Specs:
- Material: Cast Aluminum
- Bore: 3.915' (99.44mm)
- Piston Top: Flat Top w/4 Valve Reliefs
- Compression Height: 1.780"
- Compression Ring Groove: 5/64"
- Second Ring Groove: 5/64"
- Oil Ring Groove Width: 3/16"
- Full Length: N/A
- Pin Size: 0.9278" O.D. (23.57mm)
- Pin Type: N/A
- Skirt Type: Non-Coated
- Piston Skirt Clearance: N/A
- Notes: Use Piston Ring p/n 844-E245X40 Standard Set; p/n 844-E245K40 Premium Set (Rings Not Included)
- The value of Speed-Pro's line of cast aluminum pistons are hard to beat for budget or stock-style rebuilds. They are made from high-quality aluminum alloys and feature a carefully controlled casting, heat-treating, and CNC-machining process. And, because they're designed and manufactured to exceed OEM specs, they'll provide improved reliability, performance, and a long service life.
Part TypePiston
Product LineSpeed-Pro Cast Pistons
BrandSEALED POWER
Package Height4.4
Package Width9.5
Package Length18.4
Weight14.55 PG
Part CategoryReplacement Parts
QuantitySet of 8
Part FitmentDirect Fit
Vendor Part Number235NP40
Package Qty1
Package TypeEA
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