Holden LS1 350 Chev

Robtool can convert your LS1 350 Holden Chev motor into a 400 cu inch or 427 cu inch LS1.

Your 400 would have 4” bore and 4” stroke and the 427 would have 4” stroke and 4.125” bore. It will include forged pistons, stroker crank, I or H beam rods and steel or nodular cranks and balanced within 1gram.

We re-sleeve block, cam to suit each application. Head work; CNC heads available, cast iron sleeves or chrome bores is also another option, roller rockers , new valve springs, double row cam chain set, steel harmonic balancer.

Just drop your motor into us or drive in drive out service and you will have it back in no time.

Gallery

427 LS1 KIT

427 LS1 block, with chrome bores

427 steel crank and steel harmonic balancer

427 LS1 forged pistons - HPC coated

H - Beam conrod to suit 427 LS1