| Comp Ratio base
on: |
.050 piston to head
clearance (incl. deck & gasket) |
| Block Height: |
9.025 |
| Forced Induction: |
No |
| Nitrous: |
No |
| Pins: |
aircraft quality,
.150 wall |
| Ring Grooves: |
1/16, 1/16, 3/16 |
| Tech Tip: |
Will work w/std
location, .060-.040 split angle plug heads |
|
Chevy Small Block
Extra High Dome 22° or 23°
Heads
(13 to 1 Comp Ratio)
Included: Pistons,
Pins, Spiro Lox (rings NOT included)
- ROSS 13-1 compression ratio pistons feature hollow dome forgings for the lightest, strongest design available.
- Will work with 22 or 23 degree valve pocket angle (stock Chevrolet), standard location or .060/.040 split and angle plug heads.
- Straight plug heads require slight hand fitting.
- Pins included are .150 wall, aircraft quality and are retained by double spiro lox or can be press fitted into rods.
- Compression ratio based on 64 cc head and .050 piston to head clearance (deck and gasket combined).
- Ring grooves are 1/16, 1/16, 3/16.
- All pistons below 4.080 bore size are not recommended for any type of endurance racing, and have 2.500 length pins.
- Piston above 4.100 bore size include 2.950 pins.
- NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS.
|
