15º LS1 / LS2 / LS6 INVERTED DOME
- Ideal for naturally aspirated or moderate boost/nitrous street/strip applications.
- Forged from 4032 low expansion high silicon aluminum alloy for quiet operation
- Forced Pin Oiling for increased wrist pin lubrication
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- Pin fitting, round wire locks included
- 927-2250-150 wall wrist pin (106 grams) included
- CNC Machined ring grooves accept 1.5, 1.5, 3.0mm rings (Sold Separately)
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15º LS1/LS2/LS6 Inverted Dome
Std Bore: 3.900 (LS1), 4.000 (LS2/LS6)
Ring package designed for: 1.5, 1.5, 3.0MM Rings
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| Part # |
CID |
Bore |
Stroke |
Rod
Lgth. |
Block
Ht. |
Comp.
Ht. |
| Head Cubic Centimeters |
| 64cc |
66cc |
72cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 260534 |
383 |
3.905 |
4.000 |
6.125 |
9.240 |
1.115 |
9.1 |
8.9 |
8.4 |
-25cc |
379 |
B,C,M |
0.005 |
J68008-3900-3 |
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| 254276 |
403 |
4.005 |
4.000 |
6.125 |
9.240 |
1.115 |
9.1 |
8.9 |
8.5 |
-29cc |
392 |
B,C |
0.005 |
J60008-4000-5 |
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Tech and Installation Tips
- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.