Showing 313–324 of 942 results
Features & Benefits:-* Bore = 3.528in.* Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech Tips:-* 10.5:1 Compression Ratio with 80cc Head Chamber Volume.* Follow Ring End Gap &…
Features & Benefits:-* Bore = 3.518in. * Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech Tips:-* 9.6:1 Compression Ratio with 80cc Head Chamber Volume.* Follow Ring End Gap…
Features & Benefits:-* Bore = 3.518in. * Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.* Replaces OEM # 21943-83Tech Tips:-* 8.6:1 Compression Ratio with 80cc Head Chamber Volume.*…
Features & Benefits:-* Bore = 3.518in.* Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech Tips:-* 10.5:1 Compression Ratio with 80cc Head Chamber Volume.* Follow Ring End Gap &…
These forged 3-1/2in. bore stroker pistons for 1984-’99 HD® Evolution® big twin engines are required for the S&S 89in. 4-5/8in. stroker flywheels. Pistons are designed to be used with stock cylinder heads or with S&S Performance Replacement heads # SS106-6064. Low silicon forged material and advanced S&S piston skirt design result in high strengh and…
Features & Benefits:-* Bore = 3.508in.* Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech Tips:-* 9.6:1 Compression Ratio with 80cc Head Chamber Volume.* Follow Ring End Gap &…
Features & Benefits:-* Bore = 3.508in.* Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.* Replaces OEM # 21942-83Tech Tips:-* 8.6:1 Compression Ratio with 80cc Head Chamber Volume.* Follow…
Features & Benefits:-* Bore = 3.508in. * Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech Tips:-* 10.5:1 Compression Ratio with 80cc Head Chamber Volume.* Follow Ring End Gap…
Features & Benefits:-* Bore = 3.503in.* Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech Tips:-* 9.6:1 Compression Ratio with 80cc Head Chamber Volume.* Follow Ring End Gap &…
Features & Benefits:-* Bore = 3.503in.* Stroke = 4.250in.* Hypereutectic Alloy is a cast 16% silicon content material.* Perfect for air cooled engines.* Low thermal expansion rate = tighter piston-to-cylinder clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.* Replaces OEM # 21941-83Tech Tips:-* 8.6:1 Compression Ratio with 80cc Head Chamber Volume.* Follow…
Features & Benefits:-* ID # 2790* Bore = 3.518in. * Stroke = 4.250in.* Fully CNC machined* Balanced to +/- 1 gram* Double forced pin oilers* Forged from high strength 2618 alloy* Designed for maximum performance, horsepower and reliability* Complete kit includes two pistons, ring sets, wrist pins and clipsTech Tips:-* Suggested additional purchase – top…
Features & Benefits:-* Bore = 3.518in.* Stroke = 4.250in.* Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined* Best resistance to cracking in hi-comp performance applications* Require .001in. wider piston to wall clearance.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech Tips:-* 10.5:1 Compression…
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