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Flat Top Pistons1/16'', 1/16'', 3/16'' Ring Grooves 6.000'' Rod Length 3.480'' - 3.500'' Stroke
- 4 Barrel Class Pistons
- SB-Chevy
- Flat Top -4.0cc
- 4.060'' Bore (+.060'')
- 6.000'' Rod Length with 3.480-3.500'' Stroke
- 1.250'' Comp. Height
- 1/16'', 1/16'', 3/16'' Ring Grooves
- 8/pkg.
Technical Specs: - Compression Height: 1.250'
- Piston & Pin Weight: 522 grams
- Flat Top: -4.0cc valve reliefs
- Pin Size: 0.927' dia, 2.300' long, .130' wall
- Round Wire Locks: .061'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Piston Clearance: .005' measured 1.100' from bottom of the oil ring
- Valve Notches: .300' Intake, .190' Exhaust
Part TypePiston
BrandMANLEY
Package Height7.75
Package Width9.0
Package Length9.0
Weight10.0 PG
Part FitmentDirect Fit
Vendor Part Number590660-8
Package Qty1
Package TypeEA
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