Enginetech Moly Piston Ring Set For Chevy/GMC Big Block 427/454 (1966-1990) – M42558-BBC
Enginetech Moly Piston Ring Set For Chevy/GMC Big Block 427/454 (1966-1990) – M42558-BBC
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Enginetech Moly Piston Ring Set For Chevy/GMC Big Block 427/454 (1966-1990) – M42558-BBC

5 stars out of 3 reviews
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15 ratings

About this item

Rebuilding a big block Chevy?

EngineTech M40018-STD - MOLY Engine Piston Ring Set

These Enginetech moly piston rings are exactly what you need.

CHEVROLET 7.4L/454 Chevy big block Mark IV Pistons - 4.310 in

They're for the 427 and 454 cubic inch motors (7.4L) found in Chevy and GMC vehicles from 1966 through 1990.

Chevrolet GMC 396 402 427 454 7.4 BBC 1965 - 1990 (16) Melling 3/8 Push Rods

The set is part number M42558-BBC, and it's made right here in the USA.

Enginetech Chevy BBC 427 454 7.4 Moly Piston Rings

Important: piston diameters come in various sizes, so be sure to check your specific bore size before ordering.

1995 Chevrolet K1500 5.7L Engine Piston Set P5017(8).P3501

These are brand new, vintage-style performance parts.

GM Chevrolet GMC 7.4L 454 Vortec BBC Cylnder Head Oval Port Open

Get your BBC built right!

Chevy Chevrolet 427 454 7.4 Bbc 1966 – 1990 Enginetech Moly

Chevy BBC 454 6.385 4.280 Bore 1.270 .990 Dome Top Forged Pstons

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