Engine Configurator

RED TOP · 2.4 · LE5 · LEA

Build Your Engine

Configure the short block and cylinder head independently, stock or full performance. Every Red Top is hand-assembled in-house by Rough Knuckle Racing.

00 Engine Code

Select the specific 2.4 engine code for this build.

Engine Code

01 Short Block

Rotating assembly, oiling system & bottom-end hardware.

Connecting Rods Pistons Additional Short Block Mods

Short Chain / Balance Shaft Delete +$175 Boundary Oil Pump +$299 Lightweight Balanced Crankshaft (-6 lbs) +$375 Mechanical Chain Tensioner +$100 Ecotec Miata Oil Pan +$949

Stock quick-select sets Connecting Rods to Stock Rods and Pistons to Stock. Performance sets Rods to Forged Molnar and Pistons to Forged. "Stock Rods w/ ARP Rod Bolts" is a manual mid-tier option in between.

02 Cylinder Head

Valvetrain, cams & head hardware.

Camshafts Valves Additional Cylinder Head Mods

82# Valve Springs +$150 Valve Job +$275 Performance Porting +$950 ARP Head Studs +$180 VVT Delete / Adjustable Camshaft Gears +$295

Sprint Race Cams auto-selects Adjustable Cam Gears. Any race cam (Endurance or Sprint) auto-selects 82# Valve Springs. Any oversized valve option auto-selects Valve Job. Moving a dropdown back to stock automatically unchecks the matching box.

ROUGH KNUCKLE RACING

2.4 Red Top — LE5

BUILD NO. —

Base Engine (Stock Block & Head) $4,125

Total $4,125

Full lineup & contact at RoughKnuckleRacing.com

Item added to your cart

Engine Configurator