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SMALL BLOCK 340 / 360

  • 4032 low expansion high silicon 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)
  • .984 x 2.750 x .150 straight wall wrist pin included (138 grams)
340 Flat Top
Std Bore: 4.040
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
60cc 65cc 70cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
142068 345 4.070 3.313 6.125 9.586 1.804 10.5 9.8 9.2 -5cc 530 0.030 J100F8-4070-5
310725 347 4.080 3.313 6.125 9.586 1.804 10.6 10.0 9.4 -5CC 541 0.040 J100F8-4080-5


360 Flat Top
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
60cc 65cc 70cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
142069 365 4.030 3.580 6.125 9.585 1.670 11.1 10.5 9.9 -5cc 489 0.030 S100S8-4030-5
142070 367 4.040 3.580 6.125 9.585 1.670 11.1 10.5 10.0 -5cc 497 0.040 S100S8-4040-5
142071 371 4.060 3.580 6.125 9.585 1.670 11.2 10.6 10.0 -5cc 503 M 0.060 S100S8-4060-5


360 Stroker Inverted Dome
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
60cc 65cc 70cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
220156 408 4.030 4.000 6.125 9.585 1.460 10.7 10.2 9.7 -16.9cc 457 0.030 S100S8-4030-5
220157 410 4.040 4.000 6.125 9.585 1.460 10.8 10.3 9.8 -16.9cc 462 0.040 S100S8-4040-5

- 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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