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Gasket Weber 40DCOE Isolator (Set of 8)
Gasket Weber 40DCOE Isolator (Set of 8)
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Piston Set V-6 3.0 L 10.5:1 95mm Big Bore 3.1L Conversion
$1,395.00 $1,095.00



For all 12 valve 3.0 engines.  Requires boring. The original 93mm liners to 95mm increases displacement from 2959cc to 3088cc.

  • 10.5:1 compression engines perform great and have no problems on 91-93 octane fuel.
  • Compression of 10.5:1 is measured with standard head of height and 1.4mm Reinze gasket. 

This piston set includes standard wrist pins  (109 grams) and conventional Ring Set. 

YOU SHOULD CONSIDER THE FOLLOWING UPGRADES:  (Specify upgrades in "Customer Comment" box when ordering online.)

  • Upgrade to light weight pins (77 grams) for an additional $120.00
  • Upgrade to Total Seal gapless second ring set for more HP.  $199.50 extra
  • Upgrade to Total Seal gapless top ring set for even more HP. $268.00 extra (check out HP gains at Total Seal HP Gains)
  • Ceramic dome heat coating and Teflon skirt coating $249.00 extra.  Dome coating holds heat in combustion chamber for more power. This ceramic shield prevents heat transfer to the underside of the piston and reduces oil temperature. Reduced skirt friction decreases parasetic HP loss.
  • Teflon skirt coating only $162.00 

For more information, please visit this product's webpage.
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Spruell Motorsport Alfa is your source for performance parts for Alfa Romeo.
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