Click to enlargeChevy 454 Forged Pistons

SRP 141635 Chevrolet 454 closed chamber forged domed pistons.

Sold as a set of 8 pistons with wrist pins and double spiro locks included.

Pistons are .030 oversized providing a bore size of 4.280.

Work with a stroke of 4.000 and a 6.135 connecting rod length.

Provides 460 cubic inch displacement.

TECH NOTE: Standard 454 bore size is 4.250 and standard stroke is 4.000. Standard rod length is 6.135.

Compression height is 1.645.

Dome volume is 14cc.

Each piston weights in at 632 grams.

Features CNC machined domes with radiused valve reliefs that provide optimum flame travel.

Wrist pins measure .990 by 2.930 with a .150 wall thickness and weight in at 150 grams.

CNC machined for 1/16, 1/16 and 3/16 rings.

These pistons work well with high performance street or race cars.

Designed to fit closed chamber cylinder heads with a chamber size of 106cc, 112cc or 118cc.

Provides 10.3 compression with 106cc closed chamber cylinder heads.

Provides 9.7 compression with 112cc closed chamber cylinder heads.

Provides 9.2 compression ratio with 118cc closed chamber cylinder heads.

Made of 4032 wrought aluminum alloy, designed for street and strip applications.

These pistons also provide a quieter engine on cold start-up.

Features symetrical valve pockets fully radiused.

Honed pin bore, forged side relief.

Full floating wrist pin.

Double spiro locks.

Machined oil drain back holes (not slotted).

Pressure fed pin oilers.

SRP pistons are forged from wrought alluminum alloys.

Wrought aluminum is 20% stronger than aluminum bar stock and 50% stronger than cast aluminum pistons.

SRP uses only the highest grade wrought aluminum alloys to make a stronger, lighter piston.

These aerospace quality alloys have been rigourously tested and found to be the most durable material for this application.

To optimize the weight of the piston, application specific forgings are designed in 3D computer modeling programs.

This makes it possible to have consistent dome thickness which will not compromise the durability of the piston.

All SRP pistons feature fully CNC machined domes, dishes and valve reliefs to give you precise compression ratios and consistent weights.

All SRP pistons incorporate CNC diamond turned skirts to provide you with a better, more consistent finish, and have CNC honed pin bores and are thoroughly deburred prior to cleaning and packaging so no prep work is required.

SRP pistons are ready to run right out of the box.


SRP 141635 Chevrolet 454 closed chamber forged domed pistons .030 over sized SRP-141635$616.97
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