Affordable
V8 power
for every engine bay.
We engineer affordable V8 crate engines for car enthusiasts and small automotive shops. 10-20% below premium brands. Same forged internals. No premium tag.
Below premium
10–20%
Power on tap
380–820 HP
Engine tiers
Street · Pro · Track
Warranty (street)
2 yr / 24k mi
Why Prysm
Premium horsepower.
Without the premium markup.
Honest dyno charts
Three repeatable pulls, published with every engine. No hero numbers.
Buildable & swappable
Three standardized block decks for cross-compatibility across the catalog.
Forged where it matters
OEM-grade cranks, billet rods, CP-Carrillo pistons on Performance & Track.
No-asterisk warranty
Street: 2 year / 24k mi. Performance: 1 year / 12k mi. Clear coverage.
Featured catalog
Engines built to be driven.
From the garage
Latest journal entries.
events
Coming up: Prysm at Goodguys West Nationals 2026
We'll be in booth A14 with two running display engines, a giveaway short-block, and tech-tent hours all weekend.
engineering
Why we build V8s the way we do
Premium horsepower doesn't have to come with a premium tag. Here's how Prysm engineered cost out without engineering trust out.
news
PRO-720 dyno walkthrough: 720 hp, $28k, no asterisks
Three pulls. Same fuel. Same room temperature. Here's what the PRO-720 actually does on the rollers.