UMI Performance

Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.

Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.

Spring Heights: Springs are intended for small block engine. Lightweight LS engines may require trimming and an additional 1/4" front end drop may occur with a full weight big block. When choosing...

Spring Heights: Springs are intended for small block engine. Lightweight LS engines may require trimming and an additional 1/4" front end drop may occur with a full weight big block. When choosing...

Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.

#S41030 – Front and rear monotube shocks featuring medium compression and medium/high rebound for comfort combined with performance.

#S41030 – Front and rear monotube shocks featuring medium compression and medium/high rebound for comfort combined with performance.

Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.

Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.

Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.

Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.

Stage 1.5 can be upgraded to Stage 2 or 3 without duplicating parts

Stage 1.5 can be upgraded to Stage 2 or 3 without duplicating parts

Stage 1.5 can be upgraded to Stage 2 or 3 without duplicating parts

Stage 1.5 can be upgraded to Stage 2 or 3 without duplicating parts