- Home »
- Catalog »
- Pistons »
- Chevrolet »
- 24°/26° Big Block Chevy »
- 26° Street »
- Open Chamber
Diamond Racing Pistons - Open Chamber
Piston Features:
- 3D milling on piston crowns for ready to install finish
- Valve pockets designed to work with most aftermarket 24°/26° cylinder heads
- Top ring down dimension: .280"
- Ratios figured for .040 head gasket @ 9.800 Deck & 10.200 Deck
- Standard ring package 1/16 x 1/16 x 3/16 ring package
- Premium 8620 .185W wrist pins included
- Valve pocket depth: 0.307" intake and -.140" exhaust
- Will work with up to a intake valve size of 2.300" and exhaust valve size of 1.880"
- Made from 2618 alloy
Swipe left or right on tables below to see more info.
Items 1-14 of 14
image | item no | bore | stroke | rod | comp height | pin | cc | compression ratio | ring thickness | cyl qty | msrp | buy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 12235-8 | 4.470 | 4.000 | 6.135 | 1.655 | .990 x 2.930 | 20.0cc | 10.1 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12236-8 | 4.500 | 4.000 | 6.135 | 1.655 | .990 x 2.930 | 20.0cc | 10.2 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12237-8 | 4.530 | 4.000 | 6.135 | 1.655 | .990 x 2.930 | 20.0cc | 10.4 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12238-8 | 4.560 | 4.000 | 6.135 | 1.655 | .990 x 2.930 | 20.0cc | 10.5 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12239-8 | 4.600 | 4.000 | 6.135 | 1.655 | .990 x 2.930 | 20.0cc | 10.6 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12240-8 | 4.470 | 4.250 | 6.385 | 1.280 | .990 x 2.930 | 12.0cc | 10.0 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12241-8 | 4.500 | 4.250 | 6.385 | 1.280 | .990 x 2.930 | 12.0cc | 10.2 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12242-8 | 4.530 | 4.250 | 6.385 | 1.280 | .990 x 2.930 | 12.0cc | 10.3 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12243-8 | 4.560 | 4.250 | 6.385 | 1.280 | .990 x 2.930 | 12.0cc | 10.4 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12244-8 | 4.600 | 4.250 | 6.385 | 1.280 | .990 x 2.930 | 12.0cc | 10.6 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12245-8 | 4.500 | 4.250 | 6.385 | 1.270 | .990 x 2.930 | 28.0cc | 11.3 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12246-8 | 4.530 | 4.250 | 6.385 | 1.270 | .990 x 2.930 | 28.0cc | 11.4 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12247-8 | 4.560 | 4.250 | 6.385 | 1.270 | .990 x 2.930 | 28.0cc | 11.6 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 | |
 | 12248-8 | 4.600 | 4.250 | 6.385 | 1.270 | .990 x 2.930 | 28.0cc | 11.7 | 1/16 x 1/16 x 3/16 | 8 | $1438.92 |
Swipe left or right on tables below to see more info.
Browse Open Chamber Products
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12235-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12236-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12237-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12238-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12239-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12240-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12241-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12242-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12243-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12244-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12245-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12246-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12247-8
Condition:
New
Price: $1,438.92
Big Block Chevy 24/26 Street Dome
Description:
Forced pin oilers from the oil ring; Pin Fitted; 3D Dome & Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 12248-8
Condition:
New
Price: $1,438.92
Items 1-14 of 14