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![P1546(8)040 Dish Top Piston for 1970-1980 Chevrolet 6.6L [+0.040 in. Oversize]](https://www.jegs.com/images/mini_750/400/416/416-p1546(8)040.jpg)
Vehicle Info NeededENGINETECHPART NUMBER: 416-P1546(8)040
P1546(8)040 Dish Top Piston for 1970-1980 Chevrolet 6.6L [+0.040 in. Oversize]
$29099
Ships on 09/14/2026
Lowest Price GuaranteeGM
Piston1970-1980 Chevrolet 6.6L Dish Top Piston Size: +0.040 in. Oversize Set of 8
The Enginetech P1546(8)040 is a replacement piston for GM/Chevrolet, 6.6L 400 engines, sized at +0.040 in. Oversize. Engineered to OE specifications for reliable combustion chamber performance.
Enginetech P1546(8)040 Piston Features:
- Fitment: GM/Chevrolet, 6.6L 400
- Size: +0.040 in. Oversize
- Engineered to OE specifications for direct replacement
- Note: Dish top. 1.540 CH. Use R41258 or M41258 rings.
Part TypePiston
BrandENGINETECH
Package Height4.5
Package Width9.25
Package Length18.25
Weight15.5 PG
Part CategoryReplacement Parts
Compression Height1.540
Size+0.040 in. Oversize
QuantitySet of 8
Oil Ring Thickness3/16
RemanufacturedNo
Bore Diameter4.125
Piston StyleDish
Piston Pin Outside Diameter0.9273
Second Compression Ring Thickness5/64
Top Compression Ring Thickness5/64
Piston MaterialCast aluminum
FitmentGM/Chevrolet
Part FitmentDirect Fit
Engine Displacement6.6L 400
Vendor Part NumberP1546(8)040
Package Qty1
Package TypeEA
No Questions
No Reviews
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