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DIAMOND Racing COMPETITION FLAT TOP Pistons [Bore 3.572 | Stroke 3.543 | Rod 5.933 | C.D. 1.220 | Weight XXX | Pin .866 x 2.500 | CC\'s -3.5 | 45cc 11.0 | 51cc 10.1 | 55cc 9.6] (FORD 4.6L 2V MOD)

DIAMOND Racing COMPETITION FLAT TOP Pistons [Bore 3.572 | Stroke 3.543 | Rod 5.933 | C.D. 1.220 | Weight XXX | Pin .866 x 2.500 | CC's -3.5 | 45cc 11.0 | 51cc 10.1 | 55cc 9.6] (FORD 4.6L 2V MOD)

$917.97  $872.07
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4.6L Block: 3.552 Std Bore 3.543 Std Stroke
  • Designed to be used with SOHC cylinder heads
  • 3D milling on piston crowns for a ready to install finish
  • Offset pins for quiet operation
  • Moly skirt coating for friction loss and skirt wear protection
  • Top ring down dimension: .280"
  • Ratios figured for .036 head gasket @ 8.937 Deck
  • Premium ring package 1.2mm x 1.5mm x 3.0mm ring package included
  • Premium 8620 .180W wrist pins chamfered for roundwire locks included
  • Oversized valve pockets - for larger than stock valve sizes
  • Valve pocket depth: 0.151" intake and 0.050" exhaust
  • Made from 2618 alloy
Optional H-13, M2 and TP-1 wrist pins available as a upgrade to any piston part number.


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  • Model: 30405-R1-8
  • FROM: DIAMOND Pistons

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we added this on Friday 01 December, 2023.

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