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![P1545(8)STD Flat Top Piston for 1970-1983 Chevrolet 7.4L [Standard Size]](https://www.jegs.com/images/mini_750/400/416/416-p1545(8)std.jpg)
Vehicle Info NeededENGINETECHPART NUMBER: 416-P1545(8)STD
P1545(8)STD Flat Top Piston for 1970-1983 Chevrolet 7.4L [Standard Size]
$21099
Ships on 09/09/2026
Lowest Price GuaranteeGM
Piston1970-1983 Chevrolet 7.4L Flat Top Piston Size: Standard Set of 8
The Enginetech P1545(8)STD is a replacement piston for GM/Chevrolet, 7.4L 454 engines, sized at Standard. Engineered to OE specifications for reliable combustion chamber performance.
Enginetech P1545(8)STD Piston Features:
- Fitment: GM/Chevrolet, 7.4L 454
- Size: Standard
- Engineered to OE specifications for direct replacement
- Note: Flat top. 1.627 CH. Use R42558 or M42558 rings.
Part TypePiston
BrandENGINETECH
Package Height4.5
Package Width9.25
Package Length18.25
Weight16.5 PG
Part CategoryReplacement Parts
Compression Height1.627
SizeStandard Size
QuantitySet of 8
Oil Ring Thickness3/16
RemanufacturedNo
Bore Diameter4.250
Piston StyleFlat top
Piston Pin Outside Diameter0.9894
Second Compression Ring Thickness5/64
Top Compression Ring Thickness5/64
Piston MaterialCast aluminum
FitmentGM/Chevrolet
Part FitmentDirect Fit
Engine Displacement7.4L 454
Vendor Part NumberP1545(8)STD
Package Qty1
Package TypeEA
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