sup yalls i picked up my 01 5.3 and it has 862 on the heads. so i went to https://ls1tech.com/forums/showpost....2&postcount=41

Casting Number 706
Head: 1999+ LR4 4.8 Litre Truck
1999+ LM4 /LM7 5.3 Litre Truck
Material: Aluminimum
Part Number:
12559852
12561706
Combustion Chamber Volume: 61.15cc
Compression Ratio: 9.5:1
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 1.89 inches
Exhaust Valve Diameter: 1.55 inches


862 and 706 99 and up 4.8-5.3 truck heads

am i looking at this right? cuz it looks like teh 706 is the same but why doesnt it say 862? or was the 852 a typo?