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ATK SP41-1P Gen V 489/496 Short Block
The ATK SP41-1P is a remanufactured Chevy big block Gen V 489/496 (8.1L) stroker short block with a 4-bolt main block, 9.800-inch deck, forged 4340 crank and H-beam rods, forged +20cc dome pistons and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
PERFORMANCE STARTS AT THE CORE
BUILT TO KEEP
EQUIPMENT RUNNING
The ATK SP41-1P is a remanufactured Chevy big block Gen V 489/496 (8.1L) stroker short block with a 4-bolt main block, 9.800-inch deck, forged 4340 crank and H-beam rods, forged +20cc dome pistons and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
- Actual Engine Displacement: 8.1L/496
- Assembled: Yes
- Brand: ATK High Performance Engines
- Connecting Rod Beam Style: H-beam
- Connecting Rod Material: Forged 4340 steel
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COMPLETE PRODUCT INFORMATION
Full Product Description
The ATK SP41-1P is a remanufactured Chevy big block Gen V 489/496 (8.1L) stroker short block with a 4-bolt main block, 9.800-inch deck, forged 4340 crank and H-beam rods, forged +20cc dome pistons and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
Specifications
- Brand: ATK High Performance Engines
- Part / Model Number: SP41-1P
- Actual Engine Displacement: 8.1L/496
- Assembled: Yes
- Connecting Rod Beam Style: H-beam
- Connecting Rod Material: Forged 4340 steel
- Crankshaft Material: Forged 4340 steel
- Crate Engine Family: Chevy Big Block
- Deck Height (in.): 9.800 in.
- Engine Balance: Internal
- Engine Block Material: Cast iron
- Main Bolt Style: 4-bolt
- Main Journal Type: Chevy 454
- Part Type: Short Block Engines
- Piston Material: Forged aluminum
Technical Specifications
Product data| Product | ATK SP41-1P Gen V 489/496 Short Block |
|---|---|
| SKU | SP41-1P |
| Actual Engine Displacement | 8.1L/496 |
| Assembled | Yes |
| Brand | ATK High Performance Engines |
| Connecting Rod Beam Style | H-beam |
| Connecting Rod Material | Forged 4340 steel |
| Crankshaft Material | Forged 4340 steel |
| Crate Engine Family | Chevy Big Block |
| Deck Height (in.) | 9.800 in. |
| Engine Balance | Internal |
| Engine Block Material | Cast iron |
| Flexplate Included | No |
| Flywheel Included | No |
| Harmonic Balancer Included | No |
| Main Bolt Style | 4-bolt |
| Main Journal Type | Chevy 454 |
| Manufacturer's Part Number | SP41-1P |
| 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. |
| Oil Pan Included | No |
| Part Type | Short Block Engines |
| Piston Material | Forged aluminum |
| Product Line | ATK High Performance Chevy Gen V 489/496 Short Blocks |
| Quantity | Sold individually. |
| Rear Main Seal Style | 1-piece |
| Remanufactured | Yes |
| Short Block Piston Style | Dome |
| Timing Cover Included | No |
| UPC | 653517518331 |
Engineered forreal-world performanceSP41-1P
DELIVERY & AFTER-SALES INFORMATION
Shipping & Returns
Important information for this product before and after purchase.Heavy or oversized equipment delivery is coordinated according to the product and destination address.
Timing and applicable delivery arrangements are confirmed during checkout or by Kayros Tool support.
Contact Kayros Tool before returning an item so eligibility, product condition, and return instructions can be confirmed.
Overview
The ATK SP41-1P is a remanufactured Chevy big block Gen V 489/496 (8.1L) stroker short block with a 4-bolt main block, 9.800-inch deck, forged 4340 crank and H-beam rods, forged +20cc dome pistons and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
Specifications
- Brand: ATK High Performance Engines
- Part / Model Number: SP41-1P
- Actual Engine Displacement: 8.1L/496
- Assembled: Yes
- Connecting Rod Beam Style: H-beam
- Connecting Rod Material: Forged 4340 steel
- Crankshaft Material: Forged 4340 steel
- Crate Engine Family: Chevy Big Block
- Deck Height (in.): 9.800 in.
- Engine Balance: Internal
- Engine Block Material: Cast iron
- Main Bolt Style: 4-bolt
- Main Journal Type: Chevy 454
- Part Type: Short Block Engines
- Piston Material: Forged aluminum
Specifications
Actual Engine Displacement: 8.1L/496
Assembled: Yes
Brand: ATK High Performance Engines
Connecting Rod Beam Style: H-beam
Connecting Rod Material: Forged 4340 steel
Crankshaft Material: Forged 4340 steel
Crate Engine Family: Chevy Big Block
Deck Height (in.): 9.800 in.
Engine Balance: Internal
Engine Block Material: Cast iron
Flexplate Included: No
Flywheel Included: No
Harmonic Balancer Included: No
Main Bolt Style: 4-bolt
Main Journal Type: Chevy 454
Manufacturer's Part Number: SP41-1P
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.
Oil Pan Included: No
Part Type: Short Block Engines
Piston Material: Forged aluminum
Product Line: ATK High Performance Chevy Gen V 489/496 Short Blocks
Quantity: Sold individually.
Rear Main Seal Style: 1-piece
Remanufactured: Yes
Short Block Piston Style: Dome
Timing Cover Included: No
UPC: 653517518331
Shipping & Returns
NST Cargo coordination: Heavy or oversized equipment delivery is coordinated according to the product and destination address.
Delivery estimate: Timing and applicable arrangements are confirmed during checkout or by Kayros Tool support.
Returns: Contact Kayros Tool before returning an item so eligibility, condition, and instructions can be confirmed.
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