Engines and Components› Engines, Blocks and Components

ATK ENGINES

VOLVO 03-09 2.5 TURBO

$1,026.12

SKU: A040 TB50658

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The ATK Engines 5658 (TB50658) is a 355ci/300HP Small Block Chevy long block crate engine. It features pre-1986 cast iron cylinder heads, perimeter bolt valve covers, and a 1-piece rear main seal. It's designed as a direct fit replacement or performance upgrade, delivering 300 hp and 360 lb/ft of torque. Key components include a seasoned OE 1987-1995 2-bolt main block, cast 1-piece seal reground crankshaft, OE remanufactured powder metal 5.700 inch rods, and cast pistons with moly rings (8.5:1 compression).

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandATK ENGINES
Part NumberA040 TB50658

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy