Product Specifications
Forged Connecting Rods:
- Material: 4340 Alloy
- Shape: I-Beam FPO
- Bolt Size: 3/8″
- Length (C-C): 149.00mm
- Big End Diameter: 51.60mm
- Pin End Diameter: 22.00mm
- Big End Width: 22.000mm
- Set of 4
Forged Pistons:
- Material: 4032 Alloy
- Bore Diameter: 90.05mm(0.15mm oversized)
- Pin Size: 22.00mm
- Compression Ratio: 10:1
- Compression Height: 31.20mm
- Set of 4
Dual Valve Springs:
- Super Clean Alloy
- Fits all M111 engines with stock Dual Valve Springs or straight Valve Springs
- Free Length: 45.6mm/42.6mm
- Seat Pressure: 37.5mm @ 72kg
- Open Pressure: 27.5mm @ 136kg
- Set of 16
Retainers
- Ti-64 material
- Reduce weight from stock retainer 20.8g to 11.8g, for best response and high rpm
- Set of 16
- For the valves with 3 grooves/ 1 groove(let us know)
Technical Features of Hench Performance Connecting Rods
- Two-Piece forging for great strength
- Shot Peening for improved fatigue life
- Bronze bushing with radial groove.
- Magnaflux Inspection guarantees that the consistency of the forged material meets our high-quality standard
- Multi Stages Heat Treatment for maximum strength, dimensional stability, and fatigue life.
- CNC machining for superior tolerances, precise as much as 0.005mm
- Optimal balancing for weight matched sets of ± 1gram
Technical Features of Hench Performance Forged Pistons
- Pin Oiling, for better lubrication of Piston Pins and significantly extend lifetime at super high temperature and rpm.
- Completely Phosphate Coated, increase Oil Adhesion for better lubrication(Already done).
- CNC machining for superior tolerances, precise as much as 0.005mm
- Optimal balancing for weight matched sets of ± 0.5gram
Contains:
- Piston x 4
- Piston Pin x 4
- Pin Lock x 8
- Piston Ring x 4
- Connecting Rod x 4
- Bolt x 8
- Dual Valve Spring x 16
- Titanium Retainer x 16
Application:
Mercedes Benz M111.940-961 E20 E22 2.0L 2.2L 89.9mm Cylinder Bore