Thayer’s Automotive, Engine Machine Shop, Race Engines, Competitive, Performance, Engine Dyno Testing, Engine Repairs, Custom Engines, Preowned Vehicles, Hermon, Maine.

GM 603 crate engine $7500

Completely rebuilt 603. New style pistons, 6 1/2 oil pan, small balancer

359 SMALL BLOCK CHEVY STREET ENGINE

4 BOLT MAIN BLOCK .060 OVER
SPEEDPRO FORGED PISTONS
NODULAR CRANKSHAFT
COMP HYDRAULIC CAM GM LIFTERS
VORTEC HEADS W/STAINLESS STEEL VALVES
1.6 ROLLER ROCKERS
STREET STRIP OIL PAN
400 HP

MOPAR 440 STROKER TO 505 EDELBROCK HEADS, FORGED ROTATING ASSEMBLY 512 HP

GM 604 crate engine completely rebuilt with updates. $9500 dyno sheets available

Has early forged crank
Newer p/m rods
Forged mahle pistons
Bowtie heads
Older block
6” balancer
6 1/2 moroso oil pan
Alliance sealed

350 Block 4 Bolt Main Block, Race Ready

$1200

406 SBC Over 650 HP, Race Ready

$8500

602 GM Crate Engine Completely Rebuilt

$2900

355 Street Engine Roller Cam, Pro Heads

$3200

Complete Engines