Chevy LS7 12Ao Heads 4.125 bore, 4.000 stroke, 6.125 rod, 1.115 CH, -25cc dis...

Make

Chevrolet

Engine Type

LS7 Series

Part Number

BLSR1203-STD

Bore (in)

4.125

Stroke (in)

4

Rod Length (in)

6.125

Comp Height

1.115

Head Type

LS7

Head CC

70

Dome / Dish Height

0.163

Dom/Dish CC

-25.12

Compression Ratio

9

Pin

.927 x 2.250

Ring Thickness

1.2 x 1.2 x 3.0mm

VR Depth

-.220 / SP

Cubic Inch

428

Piston Weight

453

Style

Dish

Valve Reliefs

2 VR's

Gas Port

No

Where different options are described above, please let us know what option you would like. Some options have additional costs please ask us for a price.

All pistons and conrods are priced as a set. Pistons come with Rings, Pins and Locks. Conrods come with ARP2000 Bolts.

Please allow up to 7 days for delivery of most items. We will contact you if it will be longer or please feel free to ask a question to get a more accurate estimate.

This item is sold by Spool Imports, an offshore business located in Australia. NZ GST has been paid but orders over $1,000 may incur additional NZ customs charges. Find out more at http://trade.me/whatsmyduty