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Connecting Rod Length Info
Connecting rod length is measured between the centers of the big end (journal end) and the little end (piston pin end). Below is a table with stock connecting rod lengths for various engine families.
CHEVROLET V-8 CONNECTING ROD LENGTHS
Displacement Cubic Inches | Liters | Rod Length(inches) |
---|---|---|
302 | 4.9 | 5.700 |
305 | 5.0 | 5.700 |
327 | 5.4 | 5.700 |
350 | 5.7 | 5.700 |
350(LT5) | 5.7 | 5.700 |
350(LS1) | 5.7 | 6.098 |
383 | 6.3 | 6.000 |
400 | 6.6 | 5.565 |
396 | 6.5 | 6.135 |
402 | 6.6 | 6.135 |
427 | 7.0 | 6.135 |
454 | 7.4 | 6.135 |
502 | 8.2 | 6.135 |
377 | 6.2 | 6.135 |
FORD V-8 CONNECTING ROD LENGTHS
Displacement Cubic Inches | Liters | Rod Length(inches) |
---|---|---|
289 | 4.7 | 5.1550 |
302 | 5.0 | 5.0900 |
302(Boss) | 5.0 | 5.1500 |
302(SVO) | 5.0 | 5.1500 |
351 W ('69-'70) | 5.8 | 5.9560 |
351 W ('71-'96) | 5.8 | 5.9560 |
351 (SVO 9.2) | 5.8 | 5.7800 |
351C (Boss) | 5.8 | 5.7800 |
351M | 5.8 | 6.5800 |
429 STD ('68-'70) | 7.0 | 6.6050 |
429 STD ('70 1/2-'71) | 7.0 | 6.6050 |
429 CJ/SCJ ('72-'73) | 7.0 | 6.6050 |
429 Boss (S) | 7.0 | 6.5490 |
429 Boss (T) | 7.0 | 6.6050 |
460 | 7.5 | 6.6050 |
281 (modular) | 4.6 | 5.9331 |
331 (modular) | 5.4 | 6.6575 |