SEALED POWER part description

Product Description

Engine Piston Set

Application Summary

1968-1970 Oldsmobile 442 (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0); 1968-1970 Oldsmobile 98 (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0); 1968 Oldsmobile Delmont 88 (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0); 1970 Oldsmobile F85 (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0); 1970 Oldsmobile Cutlass (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0); 1968-1970 Oldsmobile Delta 88 (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0); 1968-1970 Oldsmobile Toronado (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0); 1970 Oldsmobile Vista Cruiser (Liter: 7.5 & Engine(cc): 7456 & Engine(ci): 455 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 4.25 & Stroke(mm): 108.0)

Features & Benefits

  • Forged under 3,000 tons of force.
  • Fully updated skirt profiles
  • Exclusive DUROSHIELD(R) skirt coating. DUROSHIELD(R) provides scuff resistance, reduced bore clearances and enhanced ring sealing.
  • SPEED-PRO(R) POWERFORGED(R) pistons are built to stringent specifications with a precision CNC-machined dome and skirts and microfinished ring grooves.
  • The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt sizes are matched to within 0.016mm (0.0006") per set.
  • Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications

Product Attributes

Oversized No
Top Compression Ring Thickness 0.0781 IN
Second Compression Ring Thickness 0.0781 IN
Oil Ring Thickness 0.1875 IN
Assembly Lubricant Included No
Bore Diameter 4.125 IN
Piston Material POWERFORGED(R)
9607 1.735 IN
Dome Volume CC -18.0
Head Illustration 18
Head Type .142 dish; DUROSHIELD skirt coated piston
Lock Ring N/R
Minimum Clearance .0030
Part Description Engine Piston
Pin Diameter (Inch) 0.980
Pin Type P
Pin Weight Gram 187
Standard Size Standard
Weight W Pin Gram 861
Weight w/o Pin Gram 674

Additional Information

Country of Origin (Primary) IN
Canadian Harmonizing Tariff Code 8409910010
Harmonized Tariff Code (HTS) 8409915085
UPC 00087674708982

Part Interchanges

Speed-Pro® is the go-to brand not only for racers and performance enthusiasts but also for those who are cruising down the road day in day out. With its engineering expertise, advanced technologies, and industry-leading manufacturing facilities and techniques, Speed-Pro sets the bar higher for other manufacturers of pistons, engine bearing parts, and performance engine components. The engine solutions from Speed-Pro are meticulously designed and crafted to boost horsepower production and make engine rebuild an easy feat. Since its establishment, this brand has continuously improved and refined its operations and quality control measures to maintain high quality standards and satisfy customers’ requirements and demands.

Fits Vehicles

  • Oldsmobile F85 (1970)
  • Oldsmobile Cutlass (1970)
  • Oldsmobile Delta 88 (1968-1970)
  • Oldsmobile Vista Cruiser (1970)
  • Oldsmobile Toronado (1968-1970)
  • Oldsmobile Delmont 88 (1968)
  • Oldsmobile 442 (1968-1970)
  • Oldsmobile 98 (1968-1970)

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