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Summit Racing® Hypereutectic Pistons SUM-17302-30

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, Ford, Set of 8

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Brand: Summit Racing
Manufacturer's Part Number: SUM-17302-30
Part Type: Pistons
Summit Racing Part Number: SUM-17302-30

Bore (in): 4.030 in.
Bore (mm): 102.362mm
Piston Style: Flat top, with four valve reliefs
Piston Material: Hypereutectic aluminum
Compression Distance (in): 1.605 in.
Piston Head Volume (cc): +3.00cc
Wrist Pin Style: Press-fit
Pin Diameter (in): 0.912 in.
Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
Quantity: Sold as a set of 8.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Summit® hypereutectic pistons are made with 16-18 percent silicon and a T5 heat treatment for greater strength, as well as scuff and seizure resistance. They have a diamond-finished crown and piston skirt that is manufactured to exacting tolerances.

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Most Helpful Reviews Review this Product

3 Customer Reviews for Summit Racing SUM-17302-30 - Summit Racing® Hypereutectic Pistons

Average Customer Review

5 Star

(1)

4 Star

(0)

3 Star

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2 Star

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1 Star

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HEAVY

Summit RacingSummit Racing Verified Purchase

pistons were very heavy and poorly machined, would not recomend ordering these pistons, they were over 100 grams heavier than old pistons, not including pins

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Reviewer: DUSTIN from GA

Date: June 12, 2014

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Looks like good old Hypereutectic pistons

Summit RacingSummit Racing Verified Purchase

The instructions say Silvolite on them, they've been around forever. Also says the odd looking machine marks on one side of the piston are meant to be that way. Most important the instructions say what to gap the rings at, I had to file fit mine. The machine shop that bored my block for these said they measured perfect.

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Reviewer: JASON from FL

Date: June 02, 2014

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Very bad quality

Summit RacingSummit Racing Verified Purchase

I assembled and run my engine with this pistons, all seems to be OK expect that I kept hearng a "bang"; replaced lifters, pushrods and still. Had to tear the engine appart ond one of these pistons was totally weared, had the cylinder re-meassured and all was fine, except that the damaged piston was NOT 4.030", but no more than 4.010" even tho the part number matched...I want my money back!!! ...read more

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Reviewer: PEDRO from CA

Date: March 21, 2014

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Quality

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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