UEM Pistons

Engine Piston Kit | 1448HC-.030K1

Hypereutectic.
Flat top.
2 valve reliefs.
Left or right bank.
Replace in full sets only.
Coated skirts.
Piston & Ring Kit.

Silv-O-Lite Piston & Ring Kit - Chevrolet 454ci/7.4L (V8)

PDF Documents

SIL_Instruc.pdf

Installation Instruction

Specifications
Buyer's Guide

Product Specifications

Sold As	Complete Piston and Ring Kit
Engine Manufacturer	Chevrolet
Engine Family	Chevy Big Block Mark IV
Oe Assembly	3993874
Year Range	1970-1983
Bore (in)	4.25
Bore Diameter IN	4.25
Bore Diameter MM	108
Bore (mm)	108
Eng. Disp Liters	7.4
Eng. Disp. Liters	7.4
Oversized	Yes
Eng. Disp. In.	454
Compression Height IN	1.627

Oversize	0.03
Oversizes	STD .020 .030 .040 .060 .080 .100 .110
Pin Number	0990x230A
Compression Height IN	1.627
Compression Height MM	41.3
Pin Configuration	Offset
Crown (cc)	+2cc
Crown Type	FLAT TOP
Compression Ratio	9.0, 8.2
Pin Type	Press
Ring Pack	5/64, 5/64, 3/16
Piston Material	Cast 390 Hypereutectic Alloy
Top Land	0.245
Includes Ring Set	4250AM8.030

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