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400 FLAT TOP

  • Ideal for oval track to street/strip applications.
  • Forged from 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
  • 927-2750-150 wall wrist pin (130 grams) included
  • CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Rings Sold Seperately)
400 Flat Top
Std Bore: 4.125
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!

Tech and Installation Tips
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
58cc 64cc 70cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
140034 416 4.155 3.832 5.700 9.000 1.384 12.7 11.8 11.1 -5cc 489 0.030 S100S8-4155-5
140035 418 4.165 3.832 5.700 9.000 1.384 12.8 11.9 11.1 -5cc 491 0.040
231308 400 4.125 3.750 6.000 9.000 1.125 12.3 11.4 10.7 -5cc 425 STD S100S8-4125-5
231307 400 4.125 3.750 5.700 9.000 1.425 12.3 11.4 10.7 -5cc 484 STD S100S8-4125-5
329632 402 4.130 3.750 5.700 9.000 1.425 12.3 11.4 10.7 -5cc 488 0.005 S100S8-4125-5
329634 402 4.130 3.750 6.000 9.000 1.125 12.3 11.4 10.7 -5cc 428 B 0.005 S100S8-4125-5
329635 403 4.135 3.750 6.000 9.000 1.125 12.3 11.4 10.7 -5cc 432 B 0.010 J100F8-4135-5
329633 403 4.135 3.750 5.700 9.000 1.425 12.3 11.4 10.7 -5cc 492 0.010 J100F8-4135-5
138099 405 4.145 3.750 5.700 9.000 1.425 12.4 11.5 10.8 -5cc 494 M 0.020 S100S8-4145-5
138102 405 4.145 3.750 6.000 9.000 1.125 12.4 11.5 10.8 -5cc 435 B 0.020 S100S8-4145-5
138100 407 4.155 3.750 6.000 9.000 1.125 12.4 11.6 10.8 -5cc 440 B 0.030 S100S8-4155-5
138097 407 4.155 3.750 5.700 9.000 1.425 12.5 11.6 10.8 -5cc 501 0.030 S100S8-4155-5
150417 407 4.155 3.750 5.565 9.000 1.560 12.5 11.6 10.9 -5cc 515 0.030 S100S8-4155-5
138098 409 4.165 3.750 5.700 9.000 1.425 12.5 11.6 10.8 -5cc 507 0.040 S100S8-4165-5
138101 409 4.165 3.750 6.000 9.000 1.125 12.5 11.6 10.8 -5cc 441 B 0.040 S100S8-4165-5
231371 372 4.125 3.480 6.000 9.000 1.260 11.5 10.7 10.0 -5cc 454 A,M STD S100S8-4125-5
329628 373 4.130 3.480 6.000 9.000 1.260 11.5 10.7 10.0 -5cc 460 A,M 0.005 S100S8-4125-5
329629 374 4.135 3.480 6.000 9.000 1.260 11.6 10.8 10.1 -5cc 462 A 0.010 J100F8-4135-5
329630 376 4.145 3.480 6.000 9.000 1.260 11.6 10.8 10.1 -5cc 465 A,M 0.020 S100S8-4145-5
231306 375 4.145 3.480 5.700 9.000 1.560 11.6 10.8 10.1 -5cc 514 A, L 0.020
150417 377 4.155 3.480 5.700 9.000 1.560 11.6 10.8 10.1 -5cc 515 A 0.030 S100S8-4155-5
206039 377 4.155 3.480 6.000 9.000 1.260 11.6 10.8 10.1 -5cc 469 A 0.030 S100S8-4155-5
329631 379 4.165 3.480 6.000 9.000 1.260 11.6 10.8 10.1 -5cc 475 A 0.040 S100S8-4165-5

- 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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