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Big Block Chevy
- Hypereutectic Piston
- Chevy 454ci 7.4L Big Block
- 4.250" Bore (Standard)
- +22.0cc Dome Top w/2 Valve Reliefs
- 1/pkg.
Technical Specs: - Material: Hypereutectic
- Bore: 4.250' (107.95mm)
- Piston Top: +22.0cc Dome Top w/2 Valve Reliefs, 0.230" Dome
- Compression Height: 1.640"
- Rod Length: 6.135"
- Stroke: 4.000"
- Compression Ring Groove: 5/64"
- Second Ring Groove: 5/64"
- Oil Ring Groove Width: 3/16"
- Full Length: N/A
- Pin Size: 0.990" O.D. (25.146mm)
- Pin Type: Press-Fit or Floating
- Skirt Type: DUROSHIELD Coated
- Piston Skirt Clearance: 0.0015
- Notes: Use Piston Ring p/n 844-E233X Standard Set; p/n 844-E233K Premium Moly Set; p/n 844-R9905 Plasma-Moly Performance Set (Rings Not Included).
Part TypePiston
BrandSEALED POWER
Package Height5.0
Package Width5.0
Package Length5.0
Weight2.0 PG
Part CategoryPerformance Parts
Piston Head Volume (Cc)-22
Dome Height0.23 in (5.842 mm)
Compression Distance1.64 in (41.656 mm)
Piston Ring Thickness (In.)5/64 x 5/64 x 3/16
Wrist Pin StylePress-fit or floating
QuantitySold as a set of 8
Piston MaterialHypereutectic aluminum
Pin Diameter0.989 in (25.1 mm)
Bore (Mm)107.95
Piston StyleDome, with two valve reliefs
Bore4.25 in (107.95 mm)
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
