Diamond Racing Pistons - LS1 Competition Series
Piston Features:
- 3D milling on piston crowns for ready to install finish
- Valve pockets designed to work with most aftermarket cylinder heads
- Offset pins for quiet operation
- Moly skirt coating for friction loss and skirt wear protection
- Top ring down dimension: .250"
- Ratios figured for .040 head gasket
- Premium 1.2mm x 1.2mm x 3.0mm ring package included
- Premium 1.2mm x 1.5mm x 3.0mm ring package on all 3.905 bore piston sets included
- Premium 8620 .185W wrist pins included
- Valve pocket depth: 0.176" intake and .105" exhaust
- 2618 material for High HP-NOS-Boost applications
Swipe left or right on tables below to see more info.
Items 1-22 of 22
image | item no | bore | stroke | rod | comp height | pin | cc | compression ratio | ring thickness | cyl qty | msrp | buy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 11500-R1-8 | 3.905 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -2.0cc | 9.8 | 1.2mm x 1.5mm x 3.0mm | 8 | $1145.23 | |
 | 11501-R1-8 | 3.905 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | 0.0cc | 10.0 | 1.2mm x 1.5mm x 3.0mm | 8 | $1145.23 | |
 | 11502-R1-8 | 3.905 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 9.8 | 1.2mm x 1.5mm x 3.0mm | 8 | $1145.23 | |
 | 11503-R1-8 | 3.905 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -8.6cc | 9.1 | 1.2mm x 1.5mm x 3.0mm | 8 | $1145.23 | |
 | 11504-R1-8 | 3.905 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -7.0cc | 10.1 | 1.2mm x 1.5mm x 3.0mm | 8 | $1145.23 | |
 | 11505-R1-8 | 3.905 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 10.7 | 1.2mm x 1.5mm x 3.0mm | 8 | $1145.23 | |
 | 11507-R2-8 | 4.010 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 10.2 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11508-R2-8 | 4.010 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -13.7cc | 9.0 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11510-R1-8 | 4.030 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -2.0cc | 10.3 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11511-R1-8 | 4.060 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -2.0cc | 10.4 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11512-R1-8 | 4.030 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 10.3 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11513-R1-8 | 4.060 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 10.4 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11514-R1-8 | 4.000 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -13.7cc | 9.0 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11515-R1-8 | 4.030 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -15.0cc | 9.0 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11516-R1-8 | 4.000 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -13.7cc | 9.0 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11517-R1-8 | 4.030 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -15.0cc | 9.0 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11518-R1-8 | 4.000 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 11.1 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11519-R1-8 | 4.030 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 11.2 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11520-R1-8 | 4.000 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -15.0cc | 9.7 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11521-R1-8 | 4.030 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -15.0cc | 9.8 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11522-R1-8 | 4.125 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -7.0cc | 11.1 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 | |
 | 11529-R1-8 | 4.060 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 11.4 | 1.2mm x 1.2mm x 3.0mm | 8 | $966.28 |
Swipe left or right on tables below to see more info.
Browse LS1 Competition Series Products
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11500-R1-8
Condition:
New
Price: $1,145.23
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11501-R1-8
Condition:
New
Price: $1,145.23
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11502-R1-8
Condition:
New
Price: $1,145.23
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11503-R1-8
Condition:
New
Price: $1,145.23
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11504-R1-8
Condition:
New
Price: $1,145.23
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11505-R1-8
Condition:
New
Price: $1,145.23
LS1
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11507-R2-8
Condition:
New
Price: $966.28
LS1
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11508-R2-8
Condition:
New
Price: $966.28
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11510-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11511-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11512-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11513-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11514-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11515-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11516-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11517-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11518-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11519-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11520-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11521-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Dish
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11522-R1-8
Condition:
New
Price: $966.28
Chevy LS1 Flat Top
Description:
Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included
Item #: 11529-R1-8
Condition:
New
Price: $966.28
Items 1-22 of 22