- Complete long block assembled with S&S high-performance components.
- T143-specific or custom exhaust required.
- Does not include carb/intake or ignition system.
- Fits in stock chassis; no cutting or frame modifications required.
Active filters
Complete V111 long-block for Evolution big twin fitment; ~30% more HP/torque, short-stroke design, HVHP oil pump, 4-1/8" x 4-1/8" bore/stroke, 9.8:1 compression.
Complete V124 long-block with S&S heads and internals; bolts into stock or aftermarket EFI or carb setups. Made in USA.
Long block assembly with specially machined heads for stock-length intake manifolds. Includes Super Stock™ heads, high-flow oil pump, and 640 gear drive cams. Made in the USA.
Complete top-end kit with forged pistons, rings, retainer clips and chrome piston pins. Includes X-Ring package; pistons made in the USA.
High-flow 91 cc Super Stock® cylinder heads for S&S® T-Series T2 long block engines; supports up to .650" cam lift and fits stock rocker boxes and manifolds when used with appropriate hardware.
ArmorX™-coated pistons with ArmorFit™ skirt coating for smooth, quiet operation. Includes pistons, rings, pins and circlips. Made in the U.S.A.
Complete kit for S&S® Super Stock® Heads: pistons, rings, wrist pins, and circlips. Deck height 1.3750" for 80" engines. Made in the USA.
Race-grade forged pistons with modern alloys and piston skirt profiles. Kit includes pistons, rings, wristpins, and clips.