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Instruction Sheets for Part Number HPE-HP98C
Charts & Guides for Part Number HPE-HP98C
ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines HP98C
Part Number: HPE-HP98C
ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines
Crate Engine, Performance, Complete Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, 4-Bolt Main, Internal/External Balance, Chevy, 350, Each
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Estimated Ship Date: Nov 18, 2026 Would you rather pick it up?
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ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98
Estimated Ship Date: Monday 10/26/2026
Overview
Brand:
Manufacturer's Part Number:
HP98C
Part Type:
Product Line:
Summit Racing Part Number:
HPE-HP98C
UPC:
653517417016
Crate Engine Family:
Chevy Small Block
Actual Engine Displacement:
5.7L/350
Crate Engine Cylinder Head Material:
Cast iron
Engine Block Material:
Cast iron
Advertised Compression Ratio:
9.1:1
Assembled:
Yes
Engine Balance:
Internal/External
Cam Style:
Hydraulic roller, OE roller
Rear Main Seal Style:
1-piece
Intake Manifold Included:
Yes
Intake Manifold Style:
Carbureted
Cylinder Heads Included:
Yes
Carburetor Included:
Yes
Throttle Body Included:
No
Distributor Included:
Yes
Oil Pan Included:
Yes
Valve Covers Included:
Yes
Timing Cover Included:
Yes
Water Pump Included:
Yes
Harmonic Balancer Included:
Yes
Flexplate Included:
No
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plugs Included:
Yes
Spark Plug Wires Included:
Yes
Computer Included:
No
Wiring Harness Included:
No
Water Pump Style:
Long
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines
Give your old ride new life with these ATK High Performance GM 350 345 hp/400 lbs.-ft. Stage 3 long block crate engines. These engines are built to perform and look great without breaking your budget. Each engine is expertly assembled, balanced, blueprinted, and topped with quality components, making it a solid, reliable mill to power your muscle car, street rod, or pickup.
ATK GM 350 345 hp Stage 3 long block crate engines include:
* Handpicked, OE remanufactured block
* ATK cast iron 75cc/165cc 1.94/1.50 heads
* ATK dual plane intake manifold
* Quick Fuel 680 cfm vacuum secondary carburetor
* OE crankshaft
* OE 5.7 in. powder metal connecting rods
* Hypereutectic pistons
* Hydraulic roller camshaft .495in/.502ex 110LSA
* HEI Distributor, plug wires and plugs
* Holley 110 GPH mechanical fuel pump
* Valve covers
* Timing cover and double roller timing set
* 5 qt. oil pan, high volume oil pump with pickup tube
* OE style long water pump
* PowerBond 8 in. balancer and 168 tooth flexplate
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