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376CI - 427CI CUBIC INCH LIGHT ALUMINUM BLOCK LS3 ( TO 730HP) (OPTIONS / EFI OR CARB) CHOOSE CUBIC INCH

$13,500.00
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LS3 CUSTOM ENGINE
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YOUR CHOICE 376CI, 402CI, 415CI, OR 427CI. YOU MAY UPGRADE TO LONG POST
LS7/LS9 DRYSUMP FOR AN UPGRADE CHARGE. THIS ENGINE IS 4-BOLT ENGINE SAFE TO
8-12PSI BOOST OR 100-245 SHOT OF NITROUS WITH CORRECT TUNE, BUT CAN BE
UPGRADED TO 6-BOLT HEADS TO 700+HP NITROUS KIT OR 20+ PSI BOOST. LS3 SQUARE
PORT FULL CNC PORTED HEAD AT BASE PRICE, CAN BE UPGRADED TO LS7 FOR AN
UPGRADE CHARGE. CALL JERRY AT (785) 408-2911 OR E-MAIL
jerry@sagperformance.com FOR DETAILS.

DYNO PROVEN PACKAGE TESTED ON OUR DYNO AND IN OUR STREET LEGAL BIG TIRE R& D
TEST RACE CAR.

THIS ENGINE SHOULD MAKE THE ULTIMATE STREET / STRIP ENGINE FOR STREET LEGAL
RACE CAR OR FULL TIME RACE CAR.  I SAY THIS BECAUSE EVEN OUR BASE PACKAGE AT
427CI MADE 706.7 FT LBS TORQUE AND 730.3 HORSEPOWER AT 6500RPM ON PUMP GAS
93 OCTANE  WITHOUT THE USE OF POWER ADDERS. WE MADE A SECOND PULL ON THE
ENGINE TO 6750HP AND HORSEPOWER CONTINUED TO INCREASE PAST 730HP. RECOMMEND
POWER BAND PER GEAR FOR THIS ENGINE WOULD BE 2800-7200RPM WITH STANDARD
CUSTOM CAM .738/.744 LIFT 244/248 DURATION @ .050, 112 LSA, INSTALLED ON 110
CENTERLINE. AVAILABLE IN LARGER CUBIC INCH AT AN UPCHARGE (440,454,468, OR
501 CUBIC INCH). THIS LARGERCI PACKAGE WILL MAKE EVEN MORE POWER! WE CAN
CHANGE CAMSHAFT DESIGN FOR HIGHER OR LOWER LIFT AND HIGHER OR LOWER RPM
OPERATION. WE CAN ALSO RAISE OR LOWER STATIC COMPRESSION RATIO, NO
ADDITIONAL CHARGE.

ENGINE BASE SPECIFICATIONS:
YOUR CHOICE ALUMINUM OR IRON BLOCK
MOLNAR BILLET H BEAM RODS ARP 2000
MOLNAR SEVERE DUTY CRANKSHAFT
RACETEC CUSTOM FORGED PISTONS
TOTAL SEAL GAPLESS/STAINLESS RINGS
XP THERMAL COATED BEARINGS
JOHNSON SHORT TRAVEL LIFTERS
THICK WALL 21O RADIUS PUSH RODS
FULL 1.8 RATIO ROLLER ROCKER ARMS
FULL CNC PORT LS3 HEADS 370CFM
HOLLOW INTAKE VALVES 88 GRAMS
TITANIUM RETAINER W/ PAC SPRING
BILLET TIMING SET WITH SEVERE CHAIN
CUSTOM GRIND BILLET CAM .744 LIFT
HAND BUILT CUSTOM WET OIL PUMP
CUSTOM RING PACK 1.5MM, .043, 3MM

*CHOOSE COMPRESSION RATIO
*CHOOSE BORE SIZE
*CHOOSE CAMSHAFT DESIGN
NO ADDITIONAL CHARGE


*AVAILABLE IN EFI OR CARBURETOR
*AVAILABLE IN LS7 WET OR DRY SUMP
*AVAILABLE WITH LS7 HEADS
*AVAILABLE WITH NITROUS INTAKE
*AVAILABLE WITH TURBO(S)
*AVAILABLE WITH SUPERCHARGER
FULL DYNO SERVICE AND TUNING
FULL ECM AND HARNESS
CUSTOM CARBURETOR TO 1200CFM
THROTTLE BODIES TO 2200CFM
TWIN THROTTLE BODY OPTIONS
ROOTS BLOWER, PROCHARGER, OR SCREW
ADDITIONAL CHARGE

INTAKE MANIFOLD, AND OIL PAN AND ENGINE COVERS ARE NOT INCLUDED AT BUY IT
NOW PRICE, BUT AVAILABLE AS ADDITIONAL ADD-ONS ALONG WITH ANY OTHER PARTS TO
MAKE TURN KEY. CONTACT US FOR FURTHER OPTIONS AND PRICING!

More Information
Part Number LS3 CUSTOM ENGINE
Engine Type LS/LSX
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