
Billet Aluminum LS Blocks

BILLET ALUMINUM LS ENGINE BLOCKS by ENERGY MANUFACTURING
Standard Features
- Head bolts – 1/2 x 13 roll threaded
- Head bolts per cylinder – (4) 1/2 x 13, (1) M8 x 1.25 outer lug, (1) opening for 3/8 inch shoe kit
- Lifter bore options – keyed or tie bar
- Lifter location options – standard or relocated
- Cam tunnel options – standard to 60mm diameters
- Cam tunnel location – standard or raised
- Lifter valley drilled and tapped for 1/4 NPT
- Main housing – Std LS – 4 bolt 1/2 x 13 rolled threads + cross bolted
- Main cap locating – 1/4 dowel or pan rail register
- Main oiling – priority
- Starter mount – Standard LS metric or inch
- Pan rail separation – 8.5”
- Deck height – 9.240” or customer specified
- Exhaust header bolts – 1/2 x 13
- Cylinder bore – 4.125” to 4.165”
- Cylinder sleeve extension above deck – +.005 over deck
- Deck accuracy trueness +/- .001
- Deck accuracy flatness +/- .001
- Cylinder angular accuracy – 1 degree
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