Description
Sold in sets only
Hypereutectic Flattop w/ 4 valve reliefs for 350 Chevy 4.060" bore
The newest piston from Speed Pro. Check out the features of this brand new design.
Hypereutectic Flattop w/ 4 valve reliefs for 350 chevy 4.060" bore
Accepts press pin or floating
5/64" Compression ring grooves
3/16" oil ring groove
compression distance 1.548
LOCK RINGS ARE SOLD SEPERATELY and are not included with this set. LR63 SPEED PRO X 16
- Next Generation DUROSHIELD reduces friction across entire RPM range. Increased wear resistance for long life. Superior NVH (noise, vibration, and harshness) reduction.
- Precision machined pin bores allow fixed or floating wrist pin installation.
- Piston/pin assemblies are weight matched to 4 gram (+/- 2 gram) maximum variation within every engine set.
- DDP(r) Technology. Digital actuated diamond turning process produce precision skirt profiles.
- Barrel profile promotes oil wedge between skirt and cylinder wall.
- TAC(tm) (Thermal Arching Compensation) Ring Groove Geometry.
- Ring grooves machined with an uptilt to offset thermal "arching" distortion.
