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400 / 440 BIG BLOCK WEDGE

  • 4032 low expansion high silicon aluminum alloy heat treated to SRP specifications
  • Forced Pin Oiler for increased wrist pin lubrication
  • Pin fitting and double spiro locks included
  • CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Rings Sold Seperately)
  • 1.094 x 2.930 x .150 straight wall wrist pin included (170 grams) Note H
  • .990 x 2.930 x .150 straight wall wrist pin included (150 grams) Note E
  • Redesigned valve pockets for larger valves and high-lift cams
383 STROKER
Std Bore: 4.250
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
72cc 80cc 84cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
366388 432 4.280 3.750 6.768 9.963 1.320 11.0 10.2 8.3 -6cc E 0.030 S100S8-4280.5
366389 438 4.310 3.750 6.768 9.963 1.320 11.2 10.3 9.9 -6cc E 0.060 S100S8-4310-5


400 Flat Top
Std Bore: 4.345
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
72cc 80cc 84cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
213453 462 4.375 3.750 6.768 9.963 1.320 11.4 10.5 10.1 -6cc 558 E 0.030 J100F8-4375-5


440 Flat Top
Std Bore: 4.320
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
72cc 80cc 84cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
366393 505 4.350 4.250 6.768 10.708 1.815 12.7 11.7 11.3 -6cc E 0.030 S100S8-4350-5
366396 505 4.350 4.250 7.100 10.710 1.485 12.7 11.7 11.3 -6cc E 0.030 S100S8-4350-5
366397 508 4.360 4.250 7.100 10.710 1.485 12.8 11.8 11.4 -6cc E 0.040 S100S8-4360-5
366394 508 4.360 4.250 6.768 10.708 1.815 12.8 11.8 11.4 -6cc E 0.040 S100S8-4360-5
366395 511 4.375 4.250 6.768 10.708 1.815 12.8 11.8 11.4 -6cc E 0.055 S100S8-4375-5
366398 511 4.375 4.250 7.100 10.710 1.485 12.8 11.8 11.4 -6cc E 0.055 S100S8-4375-5
231521 493 4.350 4.150 6.768 10.708 1.865 12.4 11.4 11.0 -6cc 656 E 0.030 S100S8-4350-5
345799 496 4.360 4.150 6.768 10.708 1.865 12.4 11.4 11.0 -6cc E, M 0.040 S100S8-4360-5
213459 499 4.375 4.150 6.768 10.708 1.865 12.5 11.5 11.1 -6cc 670 E 0.055 J100F8-4375-5
213455 445 4.350 3.750 6.768 10.705 2.062 11.4 10.5 10.1 -6cc 690 H 0.030 S100S8-4350-5
213456 447 4.360 3.750 6.768 10.705 2.062 11.4 10.5 10.1 -6cc 699 H 0.040 J100F8-4360-5
213457 450 4.375 3.750 6.768 10.705 2.062 11.4 10.5 10.1 -6cc 701 H 0.055 J100F8-4375-5
213458 450 4.375 3.750 6.768 10.705 2.062 11.4 10.5 10.1 -6cc 707 E 0.055 J100F8-4375-5


440 Inverted Dome
Std Bore: 4.320
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
72cc 80cc 84cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
366399 505 4.350 4.250 6.768 10.708 1.815 10.7 10.0 9.7 -24.0cc 682 E 0.030 S100S8-4350-5
366402 505 4.350 4.250 7.100 10.710 1.485 10.7 10.0 9.7 -24.0cc 602 E 0.030 S100S8-4350-5
366403 508 4.360 4.250 7.100 10.710 1.485 10.8 10.1 9.8 -24.0cc 605 E 0.040 S100S8-4360-5
366400 508 4.360 4.250 6.768 10.708 1.815 10.8 10.1 9.8 -24.0cc 685 E 0.040 S100S8-4360-5
366401 511 4.375 4.250 6.768 10.708 1.815 10.8 10.1 9.8 -24.0cc 692 E 0.055 S100S8-4375-5
366404 511 4.375 4.250 7.100 10.710 1.485 10.8 10.1 9.8 -24.0cc 608 E 0.055 S100S8-4375-5
345809 493 4.350 4.150 6.768 10.708 1.865 10.2 9.5 9.3 -24.0cc 691 E 0.030 S100S8-4350-5
345810 496 4.360 4.150 6.768 10.708 1.865 10.2 9.5 9.3 -24.0cc 700 E 0.040 S100S8-4360-5
345811 499 4.375 4.150 6.768 10.708 1.865 10.2 9.5 9.3 -24.0cc 709 E 0.055 S100S8-4375-5
345806 445 4.350 3.750 6.768 10.705 2.062 9.2 8.7 8.4 -24.0cc H 0.030 S100S8-4350-5
345807 447 4.360 3.750 6.768 10.705 2.062 9.2 8.7 8.4 -24.0cc 715 H 0.040 S100S8-4360-5
345808 450 4.375 3.750 6.768 10.705 2.062 9.2 8.7 8.4 -24.0cc 727 H 0.055 S100S8-4375-5

- 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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