09/12/2026
FOR SALE:
J&J Racing Engines built 427 LS7 Shortblock and heads.
Shortblock: $8,900
Actual LS7 pulled from a customers car. We sent to J&J to have built and he opted to go further and purchase an in stock Dart LSNext setup we had.
Since it was at the machine shop I did a modest build to be pretty universal for a max effort N/A setup or mild boost application.
Mahle pistons, standard compression
Titanium rods
ARP rod bolts
LS7 crank
Clevite bearings
New cam bearings
See machine shop build invoice in the pictures.
Heads: $2,400
LS7 heads, also gone through from machine shop, new valve seals, and .660 springs and titanium retainers.
Can sell individually, together at a discount, or fully assembled and dressed to suit specd for your goals!