SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
PONTIAC
HONDA/ACURA
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 # Cubic
Inches		 Bore Stroke Rod
Length		 Compression
Distance
Head Cubic Centimeters
58cc 64cc 70cc
Compression Ratio
Dome
Volume		 Gram
Weight		 Footnote Oversize Ring Set#
231309 350 4.000 3.480 5.700 1.560 13.8 12.6 11.6 11cc 495 A STD J100F8-4000-5
140673 353 4.020 3.480 5.700 1.560 13.9 12.7 11.6 11cc 504 A 0.020 S100S8-4020-5
206040 355 4.030 3.480 5.700 1.560 11.9 11.1 10.4 1cc 516 A,S 0.030 S100S8-4030-5
140674 355 4.030 3.480 5.700 1.560 14.0 12.7 11.7 11cc 509 A 0.030 S100S8-4030-5
140675 357 4.040 3.480 5.700 1.560 14.1 12.8 11.7 11cc 511 A 0.040 S100S8-4040-5
140676 360 4.060 3.480 5.700 1.560 14.6 12.9 11.8 11cc 530 A 0.060 S100S8-4060-5
206041 355 4.030 3.480 6.000 1.260 11.9 11.1 10.4 1cc 464 A,S 0.030 S100S8-4030-5
231310 350 4.000 3.480 6.000 1.260 13.8 12.6 11.6 11cc 448 A STD J100F8-4000-5
140677 354 4.020 3.480 6.000 1.260 14.6 12.9 11.8 11cc 451 A 0.020 S100S8-4020-5
140678 355 4.030 3.480 6.000 1.260 14.2 12.9 11.9 11cc 459 A 0.030 S100S8-4030-5
140679 357 4.040 3.480 6.000 1.260 14.2 13.0 12.0 11cc 461 A 0.040 S100S8-4040-5
140680 360 4.060 3.480 6.000 1.260 14.3 13.0 12.0 11cc 474 A 0.060 S100S8-4060-5
231311 377 4.000 3.750 5.700 1.425 13.9 12.7 11.7 7cc 468 STD J100F8-4000-5
140343 381 4.020 3.750 5.700 1.425 14.0 12.8 11.8 7cc 474 0.020 S100S8-4020-5
140344 383 4.030 3.750 5.700 1.425 14.0 12.9 11.9 7cc 483 0.030 S100S8-4030-5
140345 385 4.040 3.750 5.700 1.425 14.1 12.9 11.9 7cc 488 0.040 S100S8-4040-5
140346 388 4.060 3.750 5.700 1.425 14.2 13.0 12.0 7cc 498 0.060 S100S8-4060-5
231312 377 4.000 3.750 6.000 1.125 13.9 12.7 11.7 7cc 414 STD J100F8-4000-5
140347 381 4.020 3.750 6.000 1.125 14.0 12.8 11.8 7cc 417 B 0.020 S100S8-4020-5
140348 383 4.030 3.750 6.000 1.125 14.0 12.9 11.9 7cc 426 B 0.030 S100S8-4030-5
140349 385 4.040 3.750 6.000 1.125 14.1 12.9 11.9 7cc 430 B 0.040 S100S8-4040-5
140350 388 4.060 3.750 6.000 1.125 14.2 13.0 12.0 7cc 441 B 0.060 S100S8-4060-5

400 Engine Block
Std Bore: 4.125
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # Cubic
Inches		 Bore Stroke Rod
Length		 Compression
Distance
Head Cubic Centimeters
58cc 64cc 70cc
Compression Ratio
Dome
Volume		 Gram
Weight		 Footnote Oversize Ring Set#
142031 377 4.155 3.480 5.700 1.560 14.2 13.0 12.0 9cc 530 A 0.030 S100S8-4155-5
142032 379 4.165 3.480 5.700 1.560 14.3 13.0 12.0 9cc 537 A 0.040 S100S8-4165-5
142033 375 4.145 3.480 6.000 1.260 14.2 13.0 12.0 9cc 483 A 0.020 S100S8-4145-5
142034 377 4.155 3.480 6.000 1.260 14.2 13.0 12.0 9cc 485 A 0.030 S100S8-4155-5
142035 379 4.165 3.480 6.000 1.260 14.2 13.0 12.0 9cc 493 A 0.040 S100S8-4165-5
231313 400 4.125 3.750 5.700 1.425 14.0 12.8 11.8 4cc 484 STD S100S8-4125-5
142020 405 4.145 3.750 5.700 1.425 14.0 12.8 11.8 4cc 494 0.020 S100S8-4145-5
142021 407 4.155 3.750 5.700 1.425 14.0 12.9 11.9 4cc 500 0.030 S100S8-4155-5
142022 409 4.165 3.750 5.700 1.425 14.1 12.9 11.9 4cc 504 0.040 S100S8-4165-5
231314 400 4.125 3.750 6.000 1.125 14.0 12.8 11.8 4cc 430 STD S100S8-4125-5
142023 405 4.145 3.750 6.000 1.125 14.0 12.8 11.8 4cc 437 B 0.020 S100S8-4145-5
142024 407 4.155 3.750 6.000 1.125 14.0 12.9 11.9 4cc 445 B 0.030 S100S8-4155-5
142025 409 4.165 3.750 6.000 1.125 14.1 12.9 11.9 4cc 449 B 0.040 S100S8-4165-5

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