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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-1526.040
Silv-O-Lite Flat Top Piston Set for Pontiac 400 ci. (6.6L) Engines
$21243
Ships on 11/03/2026
Lowest Price GuaranteeGM
- Silv-O-Lite Flat Top Piston Set
- Pontiac 400 ci. (6.6L) Engines
- For 14 or 18 Degree Heads
- Bore: 4.160 in. (+.040 in.)
- Head Type: .Flat Top w/4 Valve Reliefs (+20 cc)
- Comp. Height: 1.700 in.
- Ring Grooves: 5/64, 5/64, 3/16 in.
- Set of 8
UEM 1526.040 Silv-O-Lite Flat Top Piston Set for Pontiac 400 ci. (6.6L) Engines
These Silv-O-Lite pistons are cast from 332 aluminum alloy and are a complete set of 8 with wrist pins.
Interchange Part Numbers: Sealed Power: 411NP
- Silv-O-Lite quality cast pistons are manufactured from cast aluminum and then machined to produce a unique diamond finish, all to exacting skirt tolerances. These OE-type pistons are heat-treated and machined for strength and durability, tighter piston-to-cylinder wall clearances, and longer piston life.
Part TypePiston
Product LineUEM Pistons Silv-O-Lite Cast Pistons
BrandUNITED ENGINE MACHINE
Package Height5.1
Package Width10.4
Package Length20.5
Weight17.2 PG
Part CategoryPerformance Parts
Pin Lock Rings IncludedNo
Compression Height1.7 in (43.18 mm)
Piston Ring Thickness (In.)5/64 x 5/64 x 3/16
Wrist Pin StylePress-fit
QuantitySet of 8
Piston StyleFlat top, with four valve reliefs
Piston Head Volume (Cc)10
Piston MaterialCast aluminum
Part FitmentSemi Universal
Wrist Pin IncludedYes
ToolStroker Combinations
Bore4.16 in (105.7 mm)
Vendor Part Number1526.040
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
