415 6.8L STROKER LS/VORTEC NITROUS

REQUIRES PROFESSIONAL DYNO TUNING AND HIGH TEST FUEL

GM 6.2/376 BLOCK

SQUARED AND HONED

ALIGN HONE

H SERIES BEARINGS

FULL ARP STUDDED HEADS AND MAINS

SCAT 6612521 Pro Sport H-Beam Connecting Rods

Scat 4LS140065 4340 Forged Chevy LS 4 Inch Stroke Crankshaft, 58x

GM LS Series 415 ci 6.8L

4.065 in. Bore SRP Professional Pistons and Rings 271105

4.000 in. Stroke Forged Crankshaft

6.125 in. Length Forged H-Beam Rods

Rated for 1,000 HP

Balanced

58 tooth Reluctor

4340 forged street crank

Shot peened, heat treated, precision ground, ion-nitrided

Throws lightened

Lightening holes in all rod journals

Large radius on all journals

Gun drilled mains

Straight shot and chamfered oil holes

Connecting Rods

4340 forged H-beam

Bushed wrist pin

7/16 in. ARP 8740 cap screws

Pistons

2618 forged aluminum

+10 cc volume

Compression ratio: +/- 11.0:1

Coated

Low drag rings w/ductile iron top ring

Bearings

H-Series Main and Rod bearings

CAMSHAFT

BTR CAMSHAFT - 400 CI+ - NITROUS - 35166124

251/266 .62X"/.595" 112+4

This camshaft is the result of years of back to back testing on 400+ cubic inch engines.

This cam utilizes ultra stable lobes, it will turn 7500 rpm with our Platinum .660" lift springs (SK001/SP001). Using our .685" lift springs (SP010-16) shimmed to 1.700" allows it to turn 8000 rpm.

Roller rockers will NOT turn as much RPM as the stock rockers will due to additional weight. Most cam gurus claim .595" isn't enough lift for a nitrous cam, but back to back testing has shown otherwise, with increased exhaust lift showing no gains in power. This cam has gained 400 rwhp on a 300 shot of nitrous utilizing TFS 245 heads with the N2O exhaust port.

GM FACTORY CYLINDER HEADS LS3 RECTANGLE PORT

BTR PLATINUM SPRINGS

CLAY SMITH ROLLER LIFTERS

3 ANGLE VALVE SEAT

PREMIUM VALVES

SPRINGS LOCKERS RETAINERS MATCHED TO CAMSHAFT PROFILE

DECKED AND SQUARED WITH FULL CORE CORRECTION

FULL ARP STUDS AND HARDWARE