Kolben, Ringe & Zylinder

S&S cast, 3-1/2" bore replacement pistons for S&S 89" Hot Set Up Kits. These pistons fit 1984 - ' 99 big twins with 4-5/8" stroke, 89" engi...

Black oxide finish. 12-point heads with washers. Traditionally used with big bore cylinders where space is limited. Great looks in stock applicatio...

Std cyl. bore: 3.498" (88.85mm). 1st ring: 1.6mm. 2nd ring: 1.6mm. oil ring: 4.75mm. Tech tip: Piston grooves vs piston rings. It's not difficult t...

Std cyl. bore: 3.4375" (87.312mm). 1st ring: 1.6mm. 2nd ring: 1.6mm. oil ring: 4.75mm. Tech tip: Piston grooves vs piston rings. It's not difficult...

For 96" to 103" (3 3/4" to 3 7/8") big bore conversions. Used with stock heads and cylinders. By boring the stock cylinders from 3-3/4" to 3-7/8" b...

3-5/8" big bore piston set. Used with 3 5/8" big bore cylinders with 5.330" (stock) to 5.530" (+.200") length. Use with 4-1/4" stock stroke (88"), ...

Pop-up high compression. 9.5:1 CR. Piston weight 392gr. Piston pin weight 97gr. Head type: Dome. Dome -9cc. Compression height 1.375". Bore 3.4980"...

Silver finished cylinders. Bigger is usually better when it comes to performance. This bolt-on big bore Sidewinder kit is as big as possible, witho...

Replacement cylinders feature ductile cast-iron sleeves in aluminum castings Sleeve has external ribs that “lock” the sleeve to the aluminum cas...

Std cyl. bore: 3.4980" (88.85 mm). 1st. ring: 1.6mm. 2nd ring: 1.6mm. oil ring: 4.0mm. Tech tip: Piston grooves vs piston rings. It's not difficult...

Std cyl. bore: 3.4980" (88.85 mm). 1st. ring: 1.6mm. 2nd ring: 1.6mm. oil ring: 4.0mm. Tech tip: Piston grooves vs piston rings. It's not difficult...

Standard 8.5:1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substantial lower p...

Standard 8.5:1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substantial lower p...