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  • Chevrolet Performance LSX 454R 19260835

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Item #: 19260835
Reg. Price: $16,347.50
Our Price: $13,278.00


770+ hp @ peak rpm 612+ lb.-ft. @ peak rpm

 Our Most Powerful Engine Ever!
Quite simply, the LSX454R drag racing engine is the most powerful crate engine ever from Chevrolet Performance – and it’s designed to do one thing: help you win races with great durability.
For the record, this 13.1:1, naturally aspirated and single Dominator-fed big-inch LS engine is officially rated at 770 horsepower at a 7,000 rpm and 612 lb.-ft. of torque at 5,600 rpm. It breathes through our high-flow LSX DR six-bolt cylinder heads that have 313cc intake runners. More than power, this engine was built for durability. Its bottom end includes our tough LSX Bowtie cylinder block and it’s filled with an all-forged rotating assembly.
During development, engineers simulated the equivalent of 600 back-to-back drag strip passes on the engine dyno, ensuring it would stand up to years of performance without the need for major maintenance. It’s an engine you can depend on to go round after round, season after season!

 Free Shipping to a business
 With a forklift or loading dock
 Questions? Call 847-276-8110

Part Number: 19260835
Engine Type: LS-Series Small-Block V-8
Displacement (cu in): 454 cu in (7.4L)
Bore x Stroke (in): 4.185 x 4.125 (106.3 x 104.8 mm)
Block (P/N 19260099):
LSX cast iron with 6-bolt cylinder head attachment
Crankshaft (P/N 19244018): 4340 forged steel
Connecting Rods (P/N 19166964): 4340 forged steel
Pistons: (P/N 19166958): 4032 forged aluminum
Camshaft Type (P/N 19166975): Mechanical roller
Camshaft Lift (in): .738 intake / .738 exhaust
Camshaft Duration (@.050 in): 250° intake / 270° exhaust
Cylinder Heads (P/N 19166979):
Drag race cylinder heads 6-bolt LSX aluminum
Valve size (in): 2.250" x 6.370" intake 1.625" x 6.400" exhaust
Compression Ratio: 13.1:1
Rocker Arms (P/N 19201808): Shaft mounted with needle bearing fulcrum and tip
Rocker Arm Ratio: 1.9:1
Recommended Fuel: Race fuel (110 octane minimum)
Maximum rpm: 7,100
Reluctor Wheel: 58x
Balanced: Internal

• Intended for off-road use only!
• Requires Race Fuel (110 Octane Minimum)
• Not intended for Marine Use
• Requires LSX Ignition Controller P/N 19171130
• Oil pan not included
• LSX 8-bolt crank flange
• Uses 4500-series carburetor

LSX 454 R
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*Rebate rules:
Rebates are available to customers who have purchased the parts detailed above at a participating Chevrolet, Buick, GMC, Cadillac dealer or a Powertrain retailer located in the United States. Your right to receive this rebate will not be earned unless you satisfy the rebate requirements as outlined on this rebate application. Failure to comply with the rebate requirements will disqualify your rebate. This offer is available to all customers with mailing addresses in the United States and U.S. territories. This offer is not valid on products being replaced under warranty. This offer is for retail customers only. Fleet and commercial customers are not eligible for this offer. Internal dealership sales are not eligible for this offer. This offer cannot be combined with any other General Motors offers, unless specified in writing by General Motors. Limit one (1) rebate per service performed per service date and vehicle. Your rights to this offer cannot be assigned or transferred. This offer is void where taxed, restricted or prohibited by law. General Motors and their partners are not responsible for lost, late, damaged, illegible, misdirected or postage-due submissions. Excessive submissions constitute fraud and may result in federal prosecution under the U.S. mail fraud statutes (Title 18, USC 1341 and 1342). Any misrepresentation or fraudulent information disqualifies the rebate and may give rise to criminal or civil prosecution. All rebates shall be governed by applicable state and federal laws. Rebate paid in the form of a Visa prepaid card. The Visa prepaid card is not redeemable for cash or usable at any ATM. Terms and Conditions apply to the card. Subject to applicable law, a monthly maintenance fee of $3 (USD) applies, but is waived for the first six months after the card is issued. Your card is issued by MetaBankTM, Member FDIC, pursuant to a license from Visa U.S.A. Inc. Cards can be used at any merchants that accept Visa debit cards within the United States and US Territories. General Motors reserves the right to substitute a check of equal value in lieu of a Visa prepaid card at its discretion. Please allow up to 8 weeks for delivery of the rebate.

LSX & LS9 Rebate Form


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