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5.4L 4V MODULAR

We have redesigned and expanded our Ford Modular product line! The new pistons utilize a dedicated Forged Side Relief (FSR) forging that was specifically designed for high horsepower Modular engines. In addition we have found ways to reduce weight and maintain the durability needed for both street and racing use. Lightweight and extremely durable, these pistons are machined for 1.0mm, 1.2mm, 2.8mm and 1.2mm, 1.5mm, 3.0mm rings.

Includes:
Pin #866-2250-15-51C (98g)
Round Wire Locks (#866-063-MW)
Accumulator Grooves
Offset Pin
New for 2013!
5.4L 4V Modular - NEW FSR Series!
Std Bore: 3.552"
Designed for 1.0mm, 1.2mm, 2.8mm or 1.2mm, 1.5mm, 3.0mm rings.
Compression ratio calculated at "O" deck and .040" head gasket thickness.

Click here to see matching JE Pro Seal Head Gaskets!

Tech and Installation Tips
Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
53
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
314687 330 3.552 4.165 6.657 10.060 1.320 8.5:1 -27.7 342 T STD JG3208-3551-0
314692 330 3.552 4.165 6.657 10.060 1.320 9.5:1 -17.1 345 T STD JG3208-3551-0
314697 330 3.552 4.165 6.657 10.060 1.320 11.0:1 -5.2 364 V,M STD JG3208-3551-0
314688 332 3.562 4.165 6.657 10.060 1.320 8.5:1 -28.2 344 T,M .010 JG1008-3563
314693 332 3.562 4.165 6.657 10.060 1.320 9.5:1 -17.5 347 T,M .010 JG1008-3563
314698 332 3.562 4.165 6.657 10.060 1.320 11.0:1 -5.5 366 V,M .010 JG1008-3563
314689 334 3.572 4.165 6.657 10.060 1.320 8.5:1 -28.6 346 T .020 JG3208-3571-0
314694 334 3.572 4.165 6.657 10.060 1.320 9.5:1 -17.9 349 T .020 JG3208-3571-0
314699 334 3.572 4.165 6.657 10.060 1.320 11.0:1 -5.8 368 V,M .020 JG3208-3571-0
314690 343 3.622 4.165 6.657 10.060 1.320 8.5:1 -30.9 351 T,M .070 JG1008-3622
314695 343 3.622 4.165 6.657 10.060 1.320 9.5:1 -19.9 354 T,M .070 JG1008-3622
314700 343 3.622 4.165 6.657 10.060 1.320 11.0:1 -7.5 372 V,M .070 JG1008-3622
314691 358 3.701 4.165 6.657 10.060 1.320 8.5:1 -34.6 354 T,M .149 JG1008-3701
314696 358 3.701 4.165 6.657 10.060 1.320 9.5:1 -23.1 358 T,M .149 JG1008-3701
314701 358 3.701 4.165 6.657 10.060 1.320 11.0:1 -10.2 376 V,M .149 JG1008-3701


5.4L 4V Modular - Full Round Series
Std Bore: 3.552
Ring package designed for: 1.0, 1.2, 2.8mm 1.5, 1.5, 3MM Rings
Note: (* Compression Ratio's for 5.4L Pistons are calculated with .120" deck clearance)
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
42 45 52
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
227125 330 3.552 4.165 6.657 9.960 1.220 8.5 8.2 7.8 -21.0 409 *, M STD J68008-3550-5
227127 334 3.572 4.165 6.657 9.960 1.220 8.6 8.3 7.9 -21.0 385 * 0.020 J68008-3570-5

- 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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