Afr Ls3 Heads Review

Afr s enforcer small block ford cylinder heads make a great budget friendly alternative to the class leading renegade lineup of cylinder heads.

Afr ls3 heads review.

The 0 750 inch deck thickness should make the heads plenty popular with power adder folks. The ls3 heads from procomp motorsports featured 274cc intake ports 70cc combustion chambers and a 2 20 1 60 stainless steel valve package. The afr ls3 heads also featured 95 cc exhaust port 69 cc combustion chambers and a 2 165 1 60 valve package. Afr s mongoose ls3 rectangle port cylinder heads are 100 5 axis cnc ported and made with a356 aluminum.

These carb certified heads require 4 000 in. All heads come with high quality components such as titanium retainers and pac racing springs. Ls3 heads ship with an afr specific rocker stand that replaces the gm piece and is compatible with the factory rockers. The mongoose line of cathedral port heads from afr come in sizes ranging from 210 cc all.

Featuring a356 aluminum castings titanium retainers and the highest quality components throughout. Afr 260cc ls3 mongoose cylinder heads are 100 percent 5 axis cnc ported and feature titanium retainers a356 aluminum castings and pac racing springs. In a comparison of the cammed 243 head and the cammed rectangle port ls3 head the ls3 torque peaks at 456 lb ft 4 800 rpm while the 243 head made at least that much torque from 3 500 rpm all. Afr was one of the first to provide an aftermarket head option for the lsx engines and they have stepped up again with their mongoose ls3 cylinder head.

What made our ls3 stroker a hybrid was the use of cathedral port 230cc mongoose large bore heads from afr. As with the gmpp cnc heads the procomp heads were run. With a 185cc intake runner size the heads fall into the larger side of the 302 based street engine offerings while still being large enough to provide an upgrade in a 351 windsor engine. Making big power requires a set of cylinder heads that can flow plenty of air while still being ultra efficient and the team at air flow research afr specialize in producing heads that can accomplish this.

Available in runner a 260cc runner volume these heads are carb certified eo d 250 5 component upgrades and different machining options are available to customize your afr heads for your. Afr s 260cc ls3 mongoose heads feature 100 cnc ported intake exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate rectangle port head available today.