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ATK SP53 383 Stroker Short Block
The ATK SP53 is a remanufactured Chevy 383 stroker short block with a 4-bolt main iron block, 9.025-inch deck, forged 4340 crankshaft, forged 4340 H-beam rods, +5cc flat top forged pistons and internal/external balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
PERFORMANCE STARTS AT THE CORE
BUILT TO KEEP
EQUIPMENT RUNNING
The ATK SP53 is a remanufactured Chevy 383 stroker short block with a 4-bolt main iron block, 9.025-inch deck, forged 4340 crankshaft, forged 4340 H-beam rods, +5cc flat top forged pistons and internal/external balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
- Actual Engine Displacement: 6.3L/383
- 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 SP53 is a remanufactured Chevy 383 stroker short block with a 4-bolt main iron block, 9.025-inch deck, forged 4340 crankshaft, forged 4340 H-beam rods, +5cc flat top forged pistons and internal/external balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
Specifications
- Brand: ATK High Performance Engines
- Part / Model Number: SP53
- Actual Engine Displacement: 6.3L/383
- Assembled: Yes
- Connecting Rod Beam Style: H-beam
- Connecting Rod Material: Forged 4340 steel
- Crankshaft Material: Forged 4340 steel
- Crate Engine Family: Chevy Small Block
- Deck Height (in.): 9.025 in.
- Engine Balance: Internal/External
- Engine Block Material: Cast iron
- Main Bolt Style: 4-bolt
- Main Journal Type: Chevy 350
- Part Type: Short Block Engines
- Piston Material: Forged aluminum
Technical Specifications
Product data| Product | ATK SP53 383 Stroker Short Block |
|---|---|
| SKU | SP53 |
| Actual Engine Displacement | 6.3L/383 |
| 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 Small Block |
| Deck Height (in.) | 9.025 in. |
| Engine Balance | Internal/External |
| Engine Block Material | Cast iron |
| Flexplate Included | No |
| Flywheel Included | No |
| Harmonic Balancer Included | No |
| Main Bolt Style | 4-bolt |
| Main Journal Type | Chevy 350 |
| Manufacturer's Part Number | SP53 |
| Notes | GM 1986-2000 small block with 4.040 in. bore and 3.750 in. stroke, +5cc flat top pistons, Scat forged 5.700 in. connecting rods, ARP 8740 rod bolts, and moly rings. |
| Oil Pan Included | No |
| Part Type | Short Block Engines |
| Piston Material | Forged aluminum |
| Product Line | ATK High Performance Chevy 383 Stroker Short Blocks |
| Quantity | Sold individually. |
| Rear Main Seal Style | 1-piece |
| Remanufactured | Yes |
| Short Block Piston Style | Flat top |
| Timing Cover Included | No |
| UPC | 653517546112 |
Engineered forreal-world performanceSP53
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 SP53 is a remanufactured Chevy 383 stroker short block with a 4-bolt main iron block, 9.025-inch deck, forged 4340 crankshaft, forged 4340 H-beam rods, +5cc flat top forged pistons and internal/external balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.
Specifications
- Brand: ATK High Performance Engines
- Part / Model Number: SP53
- Actual Engine Displacement: 6.3L/383
- Assembled: Yes
- Connecting Rod Beam Style: H-beam
- Connecting Rod Material: Forged 4340 steel
- Crankshaft Material: Forged 4340 steel
- Crate Engine Family: Chevy Small Block
- Deck Height (in.): 9.025 in.
- Engine Balance: Internal/External
- Engine Block Material: Cast iron
- Main Bolt Style: 4-bolt
- Main Journal Type: Chevy 350
- Part Type: Short Block Engines
- Piston Material: Forged aluminum
Specifications
Actual Engine Displacement: 6.3L/383
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 Small Block
Deck Height (in.): 9.025 in.
Engine Balance: Internal/External
Engine Block Material: Cast iron
Flexplate Included: No
Flywheel Included: No
Harmonic Balancer Included: No
Main Bolt Style: 4-bolt
Main Journal Type: Chevy 350
Manufacturer's Part Number: SP53
Notes: GM 1986-2000 small block with 4.040 in. bore and 3.750 in. stroke, +5cc flat top pistons, Scat forged 5.700 in. connecting rods, ARP 8740 rod bolts, and moly rings.
Oil Pan Included: No
Part Type: Short Block Engines
Piston Material: Forged aluminum
Product Line: ATK High Performance Chevy 383 Stroker Short Blocks
Quantity: Sold individually.
Rear Main Seal Style: 1-piece
Remanufactured: Yes
Short Block Piston Style: Flat top
Timing Cover Included: No
UPC: 653517546112
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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