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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
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 J100F8-4155-5
231308 400 4.125 3.750 6.000 9.000 1.125 12.3 11.4 10.7 -5cc 425 STD J100F8-4125-5
231307 400 4.125 3.750 5.700 9.000 1.425 12.3 11.4 10.7 -5cc 484 STD J100F8-4125-5
138099 405 4.145 3.750 5.700 9.000 1.425 12.4 11.5 10.8 -5cc 494 M 0.020 J100F8-4145-5
138102 405 4.145 3.750 6.000 9.000 1.125 12.4 11.5 10.8 -5cc 435 B 0.020 J100F8-4145-5
138100 407 4.155 3.750 6.000 9.000 1.125 12.4 11.6 10.8 -5cc 440 B 0.030 J100F8-4155-5
138097 407 4.155 3.750 5.700 9.000 1.425 12.5 11.6 10.8 -5cc 501 0.030 J100F8-4155-5
150417 407 4.155 3.750 5.565 9.000 1.560 12.5 11.6 10.9 -5cc 515 0.030 J100F8-4155-5
138098 409 4.165 3.750 5.700 9.000 1.425 12.5 11.6 10.8 -5cc 507 0.040 J100F8-4165-5
138101 409 4.165 3.750 6.000 9.000 1.125 12.5 11.6 10.8 -5cc 441 B 0.040 J100F8-4165-5
231371 372 4.125 3.480 6.000 9.000 1.260 11.5 10.7 10.0 -5cc 454 A STD J100F8-4125-5
206039 377 4.155 3.480 6.000 9.000 1.260 11.6 10.8 10.1 -5cc 469 A 0.030 J100F8-4155-5
150417 377 4.155 3.480 5.700 9.000 1.560 11.6 10.8 10.1 -5cc 515 A 0.030 J100F8-4155-5

- 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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