Features & Benefits:-* Bore = 3.208in.* Stroke = 3.812in.* Fits Iron Head Sporty.* 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 # 22254-83Tech Tips:-* 8.2:1 Compression Ratio with 110cc…
Features & Benefits:-* Bore = 4.134in.* Stroke = 2.953in.* 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:-* OEM compression ratio = 14:1* Follow ring end gap…
Features & Benefits:-* ID # 4874* Bore = 4.134in.* Stroke = 2.835in.* 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:-* OEM compression ratio = 11.5:1* Lower…
Features & Benefits:-* Bore = 4.134in.* Stroke = 2.835in.* 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:-* OEM compression ratio = 11.5:1* Follow ring end gap…
Features & Benefits:-* Bore = 4.250in.* Stroke = 3.085in.* 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:-* OEM compression ratio = 11.5:1* Follow ring end gap…
Features & Benefits:-* Bore = 4.134in.* Stroke = 2.835in.* 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:-* OEM compression ratio = 11.5:1* Follow ring end gap…
Features & Benefits:-* ID # 3666* Bore = 3.937in.* Stroke = 2.835in.* 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:-* OEM compression ratio = 11.3:1* Lower…
Features & Benefits:-* ID # 2456* Bore = 3.937in.* Stroke = 2.835in.* 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:-* OEM compression ratio = 11.3:1* Follow…
Features & Benefits:-* ID # 2621* Bore = 3.937in.* Stroke = 2.835in.* 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:-* OEM compression ratio = 11.3:1* Follow…
Features & Benefits:-* 3.937in. Bore.* 4-3/8in. Stroke.* Pistons are compatible with stock conrods with tapered wristpin ends.* S&S bore pistons are machined to such close tolerances that it is not necessary to measure the piston. * Just bore cylinders to nominal diameter +/- 0.0005in. for correct clearance.* Additionally, the low friction coating on the piston…
Features & Benefits:-* Bore = 3.875in.* Stroke = 4.000in.* 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.* Anti-Friction skirt coating.* Complete kit includes: two pistons, rings, wrist pins and clips.Tech…
Features & Benefits:-* Bore=3.875in. * Stroke=4.000in.* 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 85cc Head Chamber Volume.* Follow Ring End Gap & Piston to Cylinder…