Chevy 302
Chevy 327 or 350 block with 4.0" bore, and 3.0" stroke.
Must use Caprice 5.94" connecting rods.
Any KB piston with a 1.561" compression height can be utilized.
This is not an original equipment Chevy 302.

Chevy 334
Chevy 305 block with 3.766" bore and Chevy 400 crankshaft with 3.750 stroke.
Main bearing journals must be ground to Chevy 305 main journal diameter.

Chevy 377
Chevy 400 block with 4.155" bore, with a Chevy 350 crankshaft, 3.480" stroke.
Main bearing spacers are necessary to accommodate the smaller main journal diameter.

Chevy 383
Chevy 350 block with 4.030" bore, and a Chevy 400 crankshaft, 3.750" stroke.
Main bearing journals must be ground to the Chevy 350 main journal diameter.

Chevy 410
Chevy 400 block with 4.140" bore, with a crank stroke of 3.810".
Use with a 6.0" connecting rod. This is a popular sprint car engine.

Chevy 489
Chevy 454 block with 4.280" bore, crank stroke of 4.250", and 6.385" connecting rods.
If using 6.135" rods, you must grind counter weights for clearance.
If using 6.535" rods, you must use a tall block.

Chrysler 450
Chrysler 400 block with 4.372" bore and Chrysler 440 crankshaft with a stroke of 3.750".
Can use either Chrysler 383, 400, 440 connecting rods.
Modifications to the crankshaft counterweights for piston clearance are required.

Chrysler 510
Chrysler 440 tall block with 4.25" stroke. Stroker crank.

Ford 230
5.7" Chevy 6 cylinder 250 c.i. connecting rod, and crank stroke of 3.126".
Modification of crankshaft to Chevy 250 journal specs is required.

Ford 347
Ford 302 block with 4.030" bore, 3.4" stroke and 5.4" rod combination.

Ford 372
Ford 351W block with 4.030" bore, can use either Windsor or Cleveland heads,
with 351W crankshaft offset ground to a stroke of 3.640". Utilizes a 6.2" aftermarket connecting rod.

Ford 383
Ford 351W block with 3.75" stroke and 6.2" rod.

Ford 408
Ford 351W block with 4.00" stroke and 6.2" rod.

Ford 416
Ford 351W block with 4.030" bore, Ford 400 crankshaft offset ground to a stroke of 4.075".
Utilizes a Chrysler small block 6.123" or 6.2" connecting rod, bushed to a .927" pin diameter.
Modifications to the block, crank and connecting rods are required.

Ford 501
Ford 460 block with 4.140" stroke and 6.8" rod.