700HP LS2 LS3 L92 RECTANGLE PORT 6 BOLT CYLINDER HEADS LS7 spacing - 11 deg 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. 

Details:

Guides: Premium Bronze Valve Guides. .570" OD with 0.530" Seal. 

Material:  Hard 356 Aluminium -  Race Quality.

Valve Seats:  3 Angle Valve Seats

Intake Port Volume:    262cc

Exhaust port Volume:  100cc

Chamber size:  70cc

Intake Valve size:  2.165" x 5.450" long, Install Height 1.800" 

Exhaust Valve size: 1.590"/1.600" x 5.450" long, Install Height 1.800"

Recommended Valves: Intake: DRP-2165IN-8  Exhaust: DRP-159EXV-8

Valve Angle:                    11°

Min bore dia:                   4.030"

Intake port location:    stock

Exhaust port location:   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:

Requires LS7 rocker spacing or DRP Offset Rocker Stands.

Rocker Stands:  Part# DRP-LS7-STANDS

Photos ARE of actual cylinder heads