| Comp Ratio base
on: |
.050 piston to head
clearance (deck & gasket) |
| Block Height: |
9.800 |
| Forced Induction: |
Yes - up to 7psi |
| Nitrous: |
Yes - Up to 250 HP |
| Pins: |
.990 dia. x 2.930 lgth x .150 wall |
| Ring Grooves: |
1/16, 1/16, 3/16 |
| Tech Tip: |
Ideal for street and
marine |
|
Chevy Big Block
454 Closed/Open Chamber Flat Top
Includes: Pistons, Pins, Spiro Lox
- ROSS flat top Big Block pistons listed in this section feature special flat top forgings for maximum strength with minimum weight.
- Will work with open or closed chamber heads.
- Suitable for nitrous systems of 250 horsepower or less.
- Ideal for street and marine applications.
- Pins included are .990 dia., 2.930 length, .150 wall, 149 gram weight, aircraft quality, and are retained by double spiro lox or can be press fitted into rods.
- Pin location (compression height) used on this piston will give .017 deck clearance in new (9.800 tall) block.
- Ring grooves are 1/16, 1/16, 3/16.
- Compression ratio based on .050 piston to head clearance (with deck and gasket combined).
- NOT RECOMMENDED FOR HEAVILY BLOWN OR TURBOCHARGED APPLICATIONS.
|
