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350 / 400 DOME

  • CNC machined domes with radiused valve reliefs provide optimum flame travel
  • Designed for use with most popular 23º heads
  • Forged from Premium 2618 aluminum alloy
  • 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)
  • Optional bearing steel pins available
350 Engine Block
Std Bore: 4.000
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
231311 377 4.000 3.750 5.700 9.000 1.425 13.9 12.7 11.7 7cc 468 L STD J100F8-4000-5
231312 377 4.000 3.750 6.000 9.000 1.125 13.9 12.7 11.7 7cc 414 STD J100F8-4000-5
140347 381 4.020 3.750 6.000 9.000 1.125 14.0 12.8 11.8 7cc 417 B,M 0.020 J100F8-4020-5
140348 383 4.030 3.750 6.000 9.000 1.125 14.0 12.9 11.9 7cc 426 B 0.030 S100S8-4030-5
140344 383 4.030 3.750 5.700 9.000 1.425 14.0 12.9 11.9 7cc 483 0.030 J100F8-4030-5
140345 385 4.040 3.750 5.700 9.000 1.425 14.1 12.9 11.9 7cc 488 0.040 J100F8-4040-5
140349 385 4.040 3.750 6.000 9.000 1.125 14.1 12.9 11.9 7cc 430 B 0.040 J100F8-4040-5
140350 388 4.060 3.750 6.000 9.000 1.125 14.2 13.0 12.0 7cc 441 B 0.060 J100F8-4060-5
140346 388 4.060 3.750 5.700 9.000 1.425 14.2 13.0 12.0 7cc 498 0.060 J100F8-4060-5
231309 350 4.000 3.480 5.700 9.000 1.560 13.8 12.6 11.6 11cc 495 A STD J100F8-4000-5
231310 350 4.000 3.480 6.000 9.000 1.260 13.8 12.6 11.6 11cc 448 A STD J100F8-4000-5
140678 355 4.030 3.480 6.000 9.000 1.260 14.2 12.9 11.9 11cc 459 A 0.030 J100F8-4030-5
206040 355 4.030 3.480 5.700 9.000 1.560 11.9 11.1 10.4 1cc 516 A,S 0.030 J100F8-4030-5
140674 355 4.030 3.480 5.700 9.000 1.560 14.0 12.7 11.7 11cc 509 A 0.030 J100F8-4030-5
206041 355 4.030 3.480 6.000 9.000 1.260 11.9 11.1 10.4 1cc 464 A,S 0.030 J100F8-4030-5
140675 357 4.040 3.480 5.700 9.000 1.560 14.1 12.8 11.7 11cc 511 A 0.040 J100F8-4040-5
140679 357 4.040 3.480 6.000 9.000 1.260 14.2 13.0 12.0 11cc 461 A 0.040 J100F8-4040-5
140680 360 4.060 3.480 6.000 9.000 1.260 14.3 13.0 12.0 11cc 474 A 0.060 J100F8-4060-5
140676 360 4.060 3.480 5.700 9.000 1.560 14.6 12.9 11.8 11cc 530 A 0.060 J100F8-4060-5


400 Engine Block
Std Bore: 4.125
Ring package designed for: 1/16, 1/16, 3/16 Rings
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
231313 400 4.125 3.750 5.700 9.000 1.425 14.0 12.8 11.8 4cc 484 STD J100F8-4125-5
231314 400 4.125 3.750 6.000 9.000 1.125 14.0 12.8 11.8 4cc 430 STD J100F8-4125-5
142023 405 4.145 3.750 6.000 9.000 1.125 14.0 12.8 11.8 4cc 437 B 0.020 J100F8-4145-5
142024 407 4.155 3.750 6.000 9.000 1.125 14.0 12.9 11.9 4cc 445 B 0.030 J100F8-4155-5
142021 407 4.155 3.750 5.700 9.000 1.425 14.0 12.9 11.9 4cc 500 0.030 J100F8-4155-5
142022 409 4.165 3.750 5.700 9.000 1.425 14.1 12.9 11.9 4cc 504 0.040 J100F8-4165-5
142025 409 4.165 3.750 6.000 9.000 1.125 14.1 12.9 11.9 4cc 449 B 0.040 J100F8-4165-5
142033 375 4.145 3.480 6.000 9.000 1.260 14.2 13.0 12.0 9cc 483 A,M 0.020 J100F8-4145-5
142034 377 4.155 3.480 6.000 9.000 1.260 14.2 13.0 12.0 9cc 485 A 0.030 J100F8-4155-5
142031 377 4.155 3.480 5.700 9.000 1.560 14.2 13.0 12.0 9cc 530 A 0.030 J100F8-4155-5
142035 379 4.165 3.480 6.000 9.000 1.260 14.2 13.0 12.0 9cc 493 A 0.040 J100F8-4165-5

- 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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