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4.6L / 5.4L 2V PROFESSIONAL SERIES

    PISTON DESIGN
  • Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength
  • Up to 20% lighter than traditional equivalent
  • High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation
  • Accumulator grooves for improved ring seal
  • Designed for normally aspirated or moderate forced induction/nitrous applications
  • Now includes high performance skirt coating!
    RINGS INCLUDED
  • Lightweight, low friction metric ring package included
  • 1.2mm top ring, 1.5mm 2nd ring, 3.0mm standard tension oil ring
  • Minimal filing required

    PINS AND LOCKS
  • High quality 2.250" pin further reduces reciprocating weight
  • Carbon steel wire locks included
4.6L / 5.4L 2V Professional Series Flat Top
Std Bore: 3.552
Ring package: 1.2mm, 1.5mm, 3.0mm Premium Rings Included

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
42cc 46cc 52cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
329383 281 3.552 3.543 5.933 8.925 1.220 12.1 11.3 10.3 -3 336 B STD JG3208-3551-0
271106 284 3.572 3.543 5.933 8.925 1.220 12.2 11.4 10.4 -3 341 B 0.020


4.6L / 5.4L 2V Professional Series Spherical Dish
Std Bore: 3.552
Ring package: 1.2mm, 1.5mm, 3.0mm Premium Rings Included

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
42cc 46cc 52cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
329384 281 3.552 3.543 5.933 8.925 1.220 9.7 9.2 8.6 -17 347 B STD
271108 284 3.572 3.543 5.933 8.925 1.220 9.8 9.3 8.7 -17 349 B 0.020

- 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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