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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
  • 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)

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
 Tech and Installation Tips
 
Part # Cubic
Inches		 Bore Stroke Rod
Length		 Compression
Distance
Head Cubic Centimeters
64cc 66cc 72cc
Compression Ratio
Dome
Volume		 Gram
Weight		 Footnote Oversize Ring Set#
260534 383 3.905 4.000 6.125 1.115 9.1 8.9 8.4 -25cc 379 B,C 0.005 J60008-3900-3
254276 403 4.005 4.000 6.125 1.115 9.1 8.9 8.5 -29cc 392 B,C 0.005 J60008-4000-5
260535 408 4.030 4.000 6.125 1.115 9.2 9.0 8.6 -29cc 399 B,C 0.030 J60008-4030-5


- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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