Description: SPEED PRO PISTONSThis item is for eight (8) .030 over bore Speed Pro (Sealed Power) hypereutectic flat top pistons with 2-valve reliefs and a cast piston ring set (Hastings/MAHLE) for Chevrolet 350ci (5.7L) small block V-8 engines. P/N (8) H631CP-030 + 139-030.If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing—and will work perfectly with normal ring end gaps.PISTON SPECIFICATIONSBore: 4.030 in. (at .030 bore)Stroke: 3.480 in. (stock)Connecting Rod Length: 5.700 in. (stock); rods NOT includedPiston Top Style: Flat top with 2-valve reliefsPiston Head Volume: +5.00ccCompression Height: 1.560 in.Piston Material: Hypereutectic aluminumWrist Pin Diameter: .927 in.; pins includedWrist Pin Style: Press-fit or floating; pin clips includedRing Land Sizes: 5/64-5/64-3/16 (oil ring); rings includedNotes: DurOshield coated skirtsUsage: Street and mild strip; up to 75HP nitrousRPM Range: Idle - 6,000Compression Ratio (approximate): 10.5:1 w/58cc; 9.8:1 w/64cc; 8.7:1 w/76ccWe offer some of the quickest delivery times to most of the US on eBay. We have locations in Alabama, Louisiana, and Tennessee. These locations allow us to offer our customers quick, efficient service and delivery times. The free shipping option is available for orders shipped within the lower 48 US-states.Falcon Performance specializes in shipments to Sweden, Germany, Australia, Norway, Denmark, France, United Kingdom, Iceland, South Africa, New Zealand, Japan, Canada, and many other countries. Please use the shipping calculator for orders outside the continental USA. We do combine shipping costs for purchasing multiple items. Before paying, add all desired items to your eBay cart and then pay for all at one time. The eBay system will calculate the combined shipping discount.Please note that "free shipping" is not free for us but only to you. We pay to ship all parts to customers. Should you decide to return your purchase due to 'buyers remorse', we will refund the parts price less a restocking fee for the return; to mostly recoup our original shipping costs. Any damage to box or parts will alter the amount of the restocking fee. In many cases, we must buy new boxes from our suppliers.Put our 75+ combined years of experience to work for you... Thank you, the Falcon Team!
Price: 210.83 USD
Location: Memphis, Tennessee
End Time: 2023-09-03T20:52:27.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money back or replacement (buyer's choice)
Return policy details:
Performance Part: Yes
Superseded Part Number: Sealed Power H631P
Country/Region of Manufacture: India
Interchange Part Number: Silvolite 9902HC
California Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vintage Part: No
Type: Piston
Manufacturer Part Number: (8) H631CP-030 - 139-030
Bore Size: Oversized
Universal Fitment: No
Brand: Speed Pro
Manufacturer Warranty: 1 Year
Items Included: Piston Rings, Wrist Pin