700HP LS2 LS3 L92 RECTANGLE PORT 6 BOLT CYLINDER HEADS LS7 spacing - 11 degree valve angle - Bare Pair

DRP - Detroit Racing Products

6 BOLT Rectangle Port Cylinder Heads - Pair of Bare Heads. 

LS3 - L92 style Cylinder Heads - 6 BOLT + 11° valve angle. 

Has LS7 Valve Spacing for increased flow & Performance. 

• Requires LS7 rocker spacing. You can use DRP Offset Rocker Stands or factory LS7 rockers. 

DRP LS3-LS7 11 DEGREE CYLINDER HEADS Details & Specs:

• Machined ready to assemble.
• Guides: Premium Bronze Valve Guides. .570" OD with 0.530" Seal. (machined)
• Material:  Hard 356 Aluminium -  Race Quality.
• Valve Seats:  Race 3 Angle Valve Seats - (Machined )
• Intake Port Volume:    262cc
• Exhaust port Volume:  100cc
• Chamber size:  70cc
• Intake Valve size:  2.165" x 5.450" long, Install Height 1.900" 
• Exhaust Valve size: 1.590"/1.600" x 5.450" long, Install Height 1.900"
• Recommended Valves: Intake: DRP-2165IN-8  Exhaust: DRP-159EXV-8
• Valves Note: LS3 valves will not fit, they are too short in length
• Valve Angle:                    11°
• Min bore dia:                   4.030"
• Intake port location:    LS3 stock
• Exhaust port location:   LS3 stock

Quantity Sold:  Pair (2 bare cylinder heads)

Flow Figures: 4.000" Bore @28"

Lift          Intake   Exhaust     

0.200       129       106

0.300       198       148

0.400       258       180

0.500       301       201

0.550       313       207

0.600       325       213   670 HP

0.650       331       214   681 HP

0.700       339       217   700 HP

0.750       346       218   713 HP

Parts required:

Rockers you can use: 

• LS7 rockers @ 1.8 ratio and LS7 offset
• LS3 Rockers with DRP Offset Rocker Stands.

Rocker Stands:  Part# DRP-LS7-STANDS

Images / Photos ARE of actual cylinder heads