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Vehicle Info NeededMANLEYPART NUMBER: 660-697860-8
Big Block Chevy Hollow Dome Pistons 4.560" Bore (+.060" )
$89162
Ships on Sep 11, 2026
Lowest Price Guarantee43cc Hollow Dome Pistons1.270'' Compression Distance
- Big Block Chevy Hollow Dome Pistons
- 4.560'' Bore (+.060'')
- 555ci: 6.385'' Rod with 4.250'' Stroke (Std Deck)
- 621ci: 6.535'' Rod with 4.750'' Stroke (Tall Deck)
- 8/pkg
Technical Specs: - Compression Ratio (4.560' Bore x 4.250' Stroke): 14.7:1 (112cc); 13.8:1 (118cc); 13.0:1 (124cc)
- Compression Ratio (4.560' Bore x 4.750' Stroke): 16.3:1 (112cc); 15.3:1 (118cc); 14.4:1 (124cc)
- Compression Height: 1.270'
- Piston Weight: 689 grams
- Inverted Dome Top: 43cc
- Pin Size: 0.990' dia, 2.930' long, .150' wall (147 grams)
- Spiral Locks: .042' wide (4 per piston)
- Ring Grooves: .043' Top; .043' Middle; 3/16' Bottom
- Piston Clearance: .006' measured 1.100' from bottom of the oil ring
- Valve Notch: .275' Intake
- Exhaust Valve: +.090'
Part TypePiston
BrandMANLEY
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number697860-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
