ATK High Performance Chevy Gen V 489/496 Short Blocks SP41-1P

Write the First Review

Part Number: HPE-SP41-1P

$4,819.00

Short Block, Chevrolet Big Block Gen V 489/496 Stroker, Internally Balanced, Forged Crankshaft, +20cc Dome Pistons, Each
See More Specifications | Check the Fit

ATK High Performance Chevy Gen V 489/496 Short Blocks SP41-1P

ATK High Performance Chevy Gen V 489/496 Short Blocks SP41-1P

HPE-SP41-1P

Not Yet Reviewed

Part Number: HPE-SP41-1P

Estimated Ship Date: Feb 8, 2027

$4,819.00

Estimated Ship Date: Feb 8, 2027 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
SP41-1P
Part Type:
Product Line:
Summit Racing Part Number:
HPE-SP41-1P
UPC:
653517518331
Crate Engine Family:
Chevy Big Block
Actual Engine Displacement:
8.1L/496
Rear Main Seal Style:
1-piece
Crankshaft Material:
Forged 4340 steel
Piston Material:
Forged aluminum
Short Block Piston Style:
Dome
Connecting Rod Material:
Forged 4340 steel
Connecting Rod Beam Style:
H-beam
Engine Block Material:
Cast iron
Main Bolt Style:
4-bolt
Main Journal Type:
Chevy 454
Deck Height (in.):
9.800 in.
Engine Balance:
Internal
Oil Pan Included:
No
Timing Cover Included:
No
Harmonic Balancer Included:
No
Flexplate Included:
No
Flywheel Included:
No
Assembled:
Yes
Remanufactured:
Yes
Quantity:
Sold individually.
Notes:
GM 1991-95 Gen V big block with 4.310 in. bore and 4.250 in. stroke, +20cc domed pistons, Scat forged 6.385 in. connecting rods, ARP 8740 rod bolt,s and moly rings.

ATK High Performance Chevy Gen V 489/496 Short Blocks

ATK High Performance Chevy Gen V 489/496 short blocks deliver a bulletproof bottom end that is perfect for your potent street or race build. These are later model Gen V blocks featuring top-of-the-line Scat forged stroker kits (no provisions for mechanical fuel pumps). They include clocked camshaft bearings set to the OEM position, plus installed/sealed freeze plugs and oil galley plugs. You wouldn't build a house on sand, so don't start your big block Chevy build with anything less than ATK High Performance Chevy Gen V 489/496 short blocks.

Features, items, and specs may include:

* 4-bolt OE main block featuring one-piece seal
* Up to 4.310 x 4.250 bore/stroke
* One-piece. Scat 4.250 in. stroke crankshaft (internally balanced)
* Scat 4340 forged 6.385 in. connecting rods with ARP 8740 bolts
* Forged +20cc dome pistons
* Moly piston rings

Applications

 Loading...
 Loading...

Questions & Answers

Ask a Question

What type of question would you like to submit?

I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
 Loading...

Reviews Write a Review

Instructions & Calculators

Charts & Guides for Part Number HPE-SP41-1P

Some parts are not legal for use in California or other states with similar laws / regulations

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

CA Warning Icon

This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause cancer and birth defects or other reproductive harm.

Email this page