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Speed-Pro Digital Diamond Profile (DDP) Hypereutectic Pistons H345DCP30

$85.99

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

Estimated Ship Date: 4/21/2014 (if ordered today) Would you rather pick it up? Select Location

Brand: Speed Pro
Manufacturer's Part Number: H345DCP30
Part Type: Pistons
Summit Racing Part Number: SLP-H345DCP30

Bore (in): 4.030 in.
Bore (mm): 102.362mm
Piston Style: Flat top, with four valve reliefs
Piston Material: Hypereutectic aluminum
Compression Distance (in): 1.560 in.
Piston Head Volume (cc): +5.00cc
Wrist Pin Style: Press-fit
Pin Diameter (in): 0.928 in.
Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
Quantity: Sold as a set of 8.
Notes: DurOshield® coated piston skirt.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Speed-Pro Digital Diamond Profile (DDP) hypereutectic pistons feature a new digital actuated diamond turning process that produces precision skirt profiles. This new Digital Diamond Profile (DDP) technology creates a unique barrel profile of the pistons, promoting an oil wedge between the piston skirt and the cylinder wall. They feature a newly designed ring groove geometry using Thermal Arching Compensation (TAC) that machines the piston ring grooves with an uptilt to offset thermal arching distortion. This squares the ring face up to the cylinder wall for increased power and decreased oil consumption. The Speed-Pro Digital Diamond Profile hypereutectic pistons feature the next generation of Duroshield skirt coating, reducing friction across the entire rpm range and increasing wear resistance for longer life and superior noise and vibration reduction. They also use precision-machined piston pin bores that allow for either fixed or floating wrist pins. The pistons come weight-matched to a 4 gram (+/-2 grams) maximum variation within every engine set.


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Make: CHEVROLET
Beginning Year: 1967
Ending Year: 2002
Engine Type: V8
Liter: 5.7
CID: 350
Engine Size: 5.7L/350
Engine Family: Chevy small block Gen I
Rod Length: 5.700 in.
Stroke: 3.480 in.
Make: CHEVROLET
Beginning Year: 1992
Ending Year: 1997
Engine Type: V8
Liter: 5.7
CID: 350
Engine Size: 5.7L/350
Engine Family: Chevy small block Gen II (LT-based engines)
Rod Length: 5.700 in.
Stroke: 3.480 in.
Application Notes: LT1 engine.
Make: CHEVROLET
Beginning Year: 1996
Ending Year: 1996
Engine Type: V8
Liter: 5.7
CID: 350
Engine Size: 5.7L/350
Engine Family: Chevy small block Gen II (LT-based engines)
Rod Length: 5.700 in.
Stroke: 3.480 in.
Application Notes: LT4 engine.
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1 Customer Reviews for Speed Pro H345DCP30 - Speed-Pro Digital Diamond Profile (DDP) Hypereutectic Pistons

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Watch the Compression Height

Summit RacingSummit Racing Verified Purchase

I ordered two sets of these (Mar 2014), first set was dinged and scratched, second set had pin bores galled from being improperly pressed out of the rods. Neither were 1.56 compression height, they were all 1.548. This means you have to deck your block to restore its factory quench, which may be an issue if your are increasing compression. A real shame because they seem to be a well designed high quality cast piston otherwise. ...read more

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Reviewer: ZAK from OR

Date: March 12, 2014

Appearance
Ease of Installation
Price/Value
Quality

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

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