Short version:
Springs
PAC Racing 1207X Dual Valve Spring
for .700" Max Lift:155 lb. @ 1.80", 436 lb. @
1.150",1.304" OD, SINGLE SPRING
Cam
240/261 on a 111+2 .650 lift
JOHNSON LIFTER SET - LS - SLOW LEAKDOWN - LINK BAR - 2116LSR
Heads are ported (Gwatney) LS7 heads but HPR rebuilt them and touched up the bowls, valve seats and the valve throat
Callies CompStar short post, 8 counter weight
crank. 4.125" stroke,
Manton 7/16 x 0.120 wall pushrod
Meling LS 10296 oil pump
Wiseco/HPR Custom Chevy LS7;4.165" x 1.050"ch;-6.cc dish Piston
ERL dry sleeved 6.0L block, 4.165 bore 4.125 stroke
built by HPR
HorsePower Research