Chevy 383 engine kit 69-85 Master Kit
Includes
Please note… Occasionally we will substitute top quality brand names in our engine kits. Some examples are Melling & Sealed Power, Perfect Circle & Hastings, Clevite & Federal Mogul. Thank You.
Add Important components below!
Calculate Your Compression Ratio w/ flattop pistons
Part number
CID
58.0cc
64.cc
68.cc
72.cc
76.cc
H860CP
377
10.98
10.27
9.84
9.45
9.10
H860CP20
381
11.08
10.35
9.92
9.53
9.18
H860CP30
383
11.12
10.40
9.97
9.57
9.21
H860CP40
385
11.17
10.44
10.01
9.61
9.25
H860CP60
389
11.26
10.53
10.09
9.69
9.33
Compression ratio by CYL head for Dished Pistons... for use on street performance.
H859CP
10.16
9.89
9.55
8.85
8.55
H859CP20
10.24
9.98
9.63
9.26
8.93
8.62
H859CP30
10.28
10.02
9.67
9.30
8.96
8.65
H859CP40
10.33
10.06
9.71
9.34
9.00
8.69
H859CP60
10.41
10.14
9.79
9.42
9.08
8.76
