Dart big M 454 block with mech fuel pump. 9.8 deck
Dart big M heads.
8.75:1 comp
This motor was purchased from ron sporl and built as a 420 replacement.
Crane gold roller rockers
have dart single plane intake or mercruiser brass lined dual plane.
800 cfm Holley
Closed cooling system
Bravo bell housing and coupler.
Complete with Gil manifolds and all accessories,
Not sure exact hrs...but under 100
$4500 Obo
Will sell as long block or complete.
Intake is currently off, Had Weiand 177 on it for a few hours, but went a different route with that boat.
Blower was sold seperately

Ttt

long block priced?

Wrong item......

$3300

Ttt

Ttt

How big (cubic inch) can you go with this block?

According to dart, 4.6" bore, and 4.5" stroke (598) I believe. But I wouldn't go bigger than 4.25 stroke so you can use a 6.385 rod and the pin not be up in the rings

Sold